Answer:
The process of peristalsis is controlled by the medulla oblongata. Esophageal peristalsis is typically assessed by performing an esophageal motility study.
Explanation:
Which statement describes the relationship between bond strength and the
melting and boiling points of a substance?
A. As the force between the particles increases, the melting and
boiling points also increase.
B. As the force between the particles increases, the melting point
increases and the boiling point decreases.
C. As the force between the particies increases, the melting point
decreases and the boiling point increases
D. As the force between the particles increases, the melting and
boiling points decrease.
Answer:
D
Explanation:
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Which of the following is NOT an example of natural selection?
A. Plants with thorns are less likely to be eaten by herbivores than other members of the same species that lack thorns.
B. Bacterial populations in hospitals develop resistance to drugs used to combat infection by them.
C. Scientists breed cows that give greater amounts of milk than their ancestors.
D. Fruit fly larvae with an enzyme to break down alcohol are better able to feed on fermenting fruit than those that lack the enzyme.
Answer:
The correct answer would be - C. Scientists breed cows that give greater amounts of milk than their ancestors
Explanation:
Natural selection is the process of adapting according to the new changes in condition and change accordingly to survive. So the individuals of organisms that are better and adapt faster to survive and reproduce better than others are the result of natural selection.
Plants developed thorns so they can be avoided by predators is the adaption and example of natural selection. Similarly, bacterial populations adapt and develop resistance to the drug. Fruit fly larva developed and adapt as well. Breeding cows for more amount of milk than ancestors by scientists is not natural selection.
The predicted values for the four phenotypes form a ratio. The simulated values match this predicted ratio.
Answer: 9:3:3:1 and approximately
Explanation: just did it
Answer: 9:3:3:1 and approximately
Explanation: edge 2022
Read the excerpt from How Hurricanes Form.
Hurricanes are often compared to engines. Just like engines, they need a type of fuel. Hurricanes form over warm ocean waters near the equator. For hurricanes, their fuel is warm, moist air. When hurricanes form, the warm, moist air above the ocean rises upward from close to the surface of the water. Because the warm air rises, it results in less air under the surface of the water. This area with less air is known as an area with low pressure.
Air from areas surrounding this low pressure space pushes in to the area. This fills the low pressure area. The new air in this space becomes warm and moist and also rises. As the air continues to rise, the air surrounding the space swirls in to take its place. This process of air swirling in to replace air that has risen continues. Eventually, the moisture in the air forms clouds.
The wind and the clouds that form create a system. A system is a pattern of weather. The system of clouds and winds continues to spin and grow. The water evaporating from the ocean's warm surface acts as the fuel, which is what helps this spinning and growing. The system rotates faster and faster until the eye of the storm forms in the center area. Ironically, the eye of the storm is the calmest part, and it has very low air pressure. The higher pressure above the hurricane continually flows down into the eye.
Select the detail from the excerpt that supports the main idea of this part of the article. (2 points)
a
Hurricanes are often compared to engines.
b
The eye of the storm is the calmest part of the storm and has very low air pressure.
c
The water evaporating from the ocean's warm surface acts as the fuel.
d
This process of air swirling in to replace air that has risen continues.
Answer: I think its C
Explanation:
Sedimentation and erosion lead to what characteristic of streams?
A]meandering
B]channeling
C]reduced flow
D]increased salinity
Answer:
b. channeling
Explanation:
An ecosystem experiences a ten year drought. As a result of the
drought, many plant and animal species are not able to survive.
What will be the effect on the biodiversity and sustainability of the
ecosystem?
A. Increased biodiversity and increased sustainability
B. Decreased biodiversity and increased sustainability
C. Increased biodiversity and decreased sustainability
D. Decreased biodiversity and
decreased sustainability
Please help I need to be done with this TODAY.
Answer:
D. Decreased biodiversity and decreased sustainability
Explanation:
The correct answer is Decreased biodiversity and decreased sustainability.
Weak sustainability is a concept inside environmental economics that states that 'human capital' can substitute 'herbal capital'. It is primarily based totally upon the paintings of Nobel Laureate Robert Solow, and John Hartwick.
Biodiversity loss refers back to the decline or disappearance of organic diversity, understood because of the style of residing matters that inhabit the planet, its distinctive ranges of the organic corporation, and their respective genetic variability, in addition to the herbal styles found in ecosystems.
What is an ecosystem?An environment is a geographic region wherein plants, animals, and different organisms, in addition to climate and landscape, paintings collectively shape a bubble of life. Ecosystems incorporate biotic or residing, parts, in addition to abiotic elements, or nonliving parts. Biotic elements consist of plants, animals, and different organisms although related, sustainable improvement and sustainability are distinctive concepts.
Hence clear that Decreased biodiversity and decreased sustainability are correct.
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Una persona sana necesita 1500 cal diarias para mantener su peso y su actividad rítmica normal ¿Cuántos J se obtendrá en 18,5 horas?
Answer:
4838J se requieren en 18.5 horas
Explanation:
Para resolver esta pregunta debemos, primero, hallar la cantidad de calorías necesarias para 18.5h (Ya sabemos que para 24 horas se necesitan 1500 calorías). Después, este resultado debemos convertirlo a Joules (1cal = 4.184J):
Calorías en 18.5h
18.5h * (1500cal / 24h) = 1156.25cal son requeridas en 18.5 horas
Joules requeridos:
1156.25cal * (4.184J / 1cal) =
4838J se requieren en 18.5 horasIn what ways can ecosystems be analyzed by the levels of organization within them?
Answer:
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1. Animals are _____ and hence they depend on other organisms (plants and other
animals) for their food.
Animals are consumers and hence they depend on other organisms (plants and other animals) for their food.
A watershed, also known as a drainage basin, is an area of land where water drains to a central point like a lake river or an ocean. natural vegetation in the landscape, helps maintain the natural flow of Regine of water and rapid change in water level in lakes and wetlands. imagine a position of a wetland that has changed as scenes in the image. predict what will happen to the natural flow of water is natural vegetation as replaced by impervious surfaces
A) groundwater flows increase to its endpoint causing flooding
B) runoff will increase and less water will penetrate the soil to become groundwater
C) groundwater will puddle up and remain in one place instead of flowing to a central point
D) impervious surfaces such as roads and parking lots will divert water flow and it will not reach its endpoint
Answer:
B) runoff will increase and less water will penetrate the soil to become groundwater.
D) impervious surfaces such as roads and parking lots will divert water flow and it will not reach its endpoint
Explanation:
The runoff will increase and less water will penetrate into the soil to become groundwater if natural vegetation is replaced by impervious surfaces. The natural vegetation helps to lower the speed and intensity by absorbing large amount of water. Due to this absorbing, there is an increase occur in the concentration of groundwater level which increases underground water reserves for the coming generations. These impervious surfaces also act as a barrier that diverts water and prevents the water to reach to its ending point.
B is the correct answer.
The image below represents a satellite view. What type of land features are pictured in this image?
Canyons
Hills
Volcanoes
Ocean
Answer:
Canyons
Hope this helps :) Have a wonderful rest of your day!
A canyon is a small, deep valley with cliff-like sides. The Spanish word caon, which meaning “tube” or “pipe,” is where the term “canyon” originates. Thus, option A is correct.
What Canyons type of land features represented?A deep valley that has been carved into the surface of the earth over a long period of time by erosion from a flowing river is referred to as a canyon.
It is also referred to as a gorge and typically features rocky cliffs and very steep walls. One of the most well-known instances is the Grand Canyon, which the Colorado River carved out.
Canyon: A deep valley with steep walls and a V-shape created by a river slicing through hard rock. These valleys are common in the upper reaches of rivers, where the stream's fast, strong current rapidly digs the valley. Gorges are smaller valleys with a similar aspect.
Therefore, Although “gorge” is frequently used interchangeably with “canyon,” a gorge is nearly invariably narrower and steeper.
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How is energy and forces related
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Answer: B
Explanation:
a point mutation changes the DNA sequence CGA to CGT but the same protein is still produced. which point mutation occurred
Answer: The correct answer is silent mutation . In this type of mutation there is no change in the phenotype of the individual which means there occurs a mutation where two different amino acid codes for the same protein .There are sequences present in the body where a point mutation occurs but the protein formed is still the same .If you will see the genotype you can easily observe that the amino acid sequence is different but the protein formed is same. Example AAA codes for lysine and the amino acid lysine is formed by AAG .
HOPE THIS HELPS
Answer:
silent mutation
Explanation:
hope this helps
5. How is density affected when the depth increases?
Answer:
As you go deeper in depth, pressure increases. Density = mass/volume. The layers beneath us due to pressure get packed to the point of being very dense.
in which does light travel fastest
Light waves do not need a medium in which to travel but sound waves do. Explain that unlike sound, light waves travel fastest through a vacuum and air, and slower through other materials such as glass or water.
Answer:
light travel faster in Vacuum and Air
where in the fossil record would you expect to see older common ancestors
How would gradualism persent in the fossil record
Answer:
hii
Explanation:
what are you doing
how are you doing
transforms one strand of nucleic acid into two sets so that each set may be passed on to daughter cells in cell division
Answer:
If you`re asking what the term for this definition is, it`s DNA replication
Explanation:
Answer:
DNA Replication
Explanation:
In molecular biology, DNA replication is the biological process of producing two identical replicas of DNA from one original DNA molecule. DNA replication occurs in all living organisms acting as the most essential part for biological inheritance. Additionally, Walther Flemming's drawing of chromosomes. This process involves replication of the cell's chromosomes, segregation of the copied DNA, and splitting of the parent cell's cytoplasm. The outcome of binary fission is two new cells that are identical to the original cell.
Can someone help me with this question?
Answer:
the answer is A
Explanation:
hope it helps!!!
What is a scientific theory? The sentences above help to describe a scientific theory. One sentence is not quite
accurate though. Choose the sentence that needs to be modified and make the necessary modification so it may be
included in the description of a theory.
A)
D. A scientific theory has a simple basis: an experiment done to test a
hypothesis.
B)
C. Theories are descriptions, often mathematical descriptions of natural
phenomenon;
A. A scientific theory is based on a scientific investigation that supports a
hypothesis.
D)
B. When new information does not support a scientific theory, the theory
may be revised or sometimes rejected.
Answer:
Original sentence: When new information does not support a scientific theory, the theory may be revised or sometimes rejected.
New changed sentence: When the results of the experiment do not support a hypothesis, the hypothesis must be revised or rejected to state a new scientific theory.
Explanation:
The scientific theory is a conceptual framework used to explain facts or phenomena and to make predictions.
The theory is fundamental to science because it allows scientists to organize and understand observations.
The construction of a theory begins with a hypothesis. The scientist believes that a phenomenon occurs in a certain way, so he/she performs observations under the scientific method to prove that his/her hypothesis is valid or not valid. The systematization of the observations and the empirical data collected might derive from a scientific theory that explains the analyzed phenomenon.
A scientific theory is a knowledge that has been contrasted in several ways.
A can of antifreeze spills near a clump of Dryopteris dilatata, a type of fern. The chemical seeps into the ground, endangering the plant's roots. The plant roots grow as far away from the chemical as possible to absorb only fresh water and minerals.
During this process, the roots primarily work in conjunction with which system? a) The immune system to defend against the toxic chemicals
b) The vascular system to reduce the absorption and transport of toxic chemicals
c) The reproductive system to make more root cells
d) The digestive system to create enzymes that break down the toxic chemicals
Answer:D
Explanation:
I got it right on my test
Dryopteris dilatata is in family Dryopteridaceae. The movement of plant away from spill the roots primarily work in conjunction with vascular system to reduce the absorption and transport of toxic chemicals.
What is Dryopteris dilatata?Dryopteris dilatata is a fern mainly located in deciduous or semi-evergreen family, native of Europe.
It can be grown in most cool, moist and light shaded areas. It is also called as broad buckler-fern.
As to avoid antifreeze spills, the plant roots grow far away from the area of spill. During this process roots primarily work with vascular system to reduce absorption and transport of toxic chemicals.
Thus, the correct option is b.
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Please help no ones helping or giving real answers... will mark branliest
Answer:
B
A
D
Explanation:
Name some harmful substances found in cigarette smoke. How do these
substances affect the respiratory and the circulatory systems?
Tobacco smoke contains many chemicals that are harmful to both smokers and nonsmokers.
Acetaldehyde.
Aromatic amines.
Arsenic.
Benzene.
Beryllium (a toxic metal)
1,3–Butadiene (a hazardous gas)
Cadmium (a toxic metal)
Chromium (a metallic element)
Long tail X short tail + all long.
Mate two of these long tailed mice together and you get 3/4 long, 1/4 short.
C. Incomplete dominance
E. Dihybrid cross
A. Dominant/recessive gene
B. Codominance
D. Lethal gene
beak shape, camouflage, and webbed feet are all examples of which type of adaptation
Answer:
beak shape: used to help an animal eat food like tearing apart food or either cracking nuts.
Camouflage: the color or shape of an animals body helps it blend into its envierment.
weebbed feet: help animal's propel themselves through the water with ease. This can help the animal swim faster to
catch prey or escape a predator. Also, if an animal has to swim long distances,
webbed feet can help it save energy so it can swim farther.
Explanation:
Hope this helps
Normal red blood cells slide easily through narrow blood vessels. In sickle cell disease, many red blood cells change to a crescent shape like a slender moon. Crescent-shaped blood cells cause blockages in blood vessels. These blockages decrease the transport of oxygen. People with sickle cell disease often have sharp pains due to the lack of oxygen in parts of the body. The sickle cell version of the gene that causes sickle cell disease is recessive. Suppose that two parents with no symptoms have a child with sickle cell disease. What genes did the child inherit from the parents?
Answer:
please give me brainlist and follow
Explanation:
Normally, the flexible, round red blood cells move easily through blood vessels. In sickle cell anemia, the red blood are shaped like sickles or crescent moons. These rigid, sticky cells can get stuck in small blood vessels, which can slow or block blood flow and oxygen to parts of the body.
Answer:
alleles
Explanation:
1. I got the answer right
2. I learned about it in class
Which of the following is possible genotype for the offspring?
Answer:
a or d
Explanation:
i believe it is one of those
Answer:d. long tailed, stripped fur
Explanation:
A science class is doing an experiment on how light affects the growth of plants. One set of plants is placed under a special light, a second set
of plants is placed in the dark. A third set of plants is left under normal room lights. The class measures and charts each plant's growth for a
week.
In this experiment, the third set of plants that was placed under normal room lights would be identified as the
Answer:
control group
Explanation:
PLEASE HELP ASAP In the past, California has had many droughts. Which part of the water cycle is not active when a drought is occurring?
precipitation
condensation
transpiration
evaporation
?
precipitation ( rain ) is not occurring
Write 3 sentences about what you learned yesterday about phases of the moon.
Answer:
1) There are 8 main phases of the moon: new moon, waxing crescent, first quarter, waxing gibbous, full moon, waning gibbous, third quarter, and waning crescent.
2) A full moon occurs about once a month. (every 29.5 days to be exact)
3) The phases of the moon are caused by the light from the sun and the moon's orbit around the Earth.