Answer:
Tectonic forces, underwater volcanoes and glaciers,ocean waves and stream act as an agent of erosion are some examples of constructive forces that shape Earth's surface. Explanation: Earth is a dynamic and ever-changing planet.
Explanation:
Answer:
Tectonic forces push mountains up.
Explanation:
just took the test
please explain why the gastric glands secret pepsinogen and not pepsin
Answer:
The correct answer is - to protect the cells of these secretory glands from pepsin.
Explanation:
Pepsinogen is an inactive form of enzyme pepsin that is released by specific cells called chief cells within the gastric lining Releasing the inactive form of pepsin in preventing the auto-digestion of protective proteins and the cells of these secretory glands in the lining of the digestive tract.
Pepsinogen is activated by acidic pH to pepsin of the stomach lumen and the cell lining of the stomach is protected by mucus lining.
Which of the following substitutions can help reduce air pollution?
The factors that affect the climate are *
Answer:
factors effecting the climate
Explanation:
factors effecting the climate
Which items are part of the Arctic tundra ecological community?
UULUU 15 is Quritall Streptobacteria null hypothesis Scientic Method - An exemple: In early 2000 a disease appeared in the northeastern United States that had never been seen before. The disease produced a fever and nasal congestion causing the tip of the nose to turn red. The bacteria that caused the disease was isolated and found to be a certain type of streptobacteria. A certain antibiotic called Curitall has been effective against other similar streptobacteria, and so an experiment was set up to test it Curitall would be effective against this certain type of bacteria. On this discussion thread post what the null hypothesis is, and explain what would happen to people infected with this Streptobacteria if they don't take any antibiotic. For maximum points, compare expected rates of healing between experimental and control group subjects if Curitall does not work. Respond to instructors comments and questions as necessary,
what do i need to do if i want to master the genetics section
You have discovered an unknown organism ‘ X' belonging to the kingdom Animalia. What steps would you take to classify this organism ?
Answer:
The steps i would take is that i would find out if this X organism is that check for heterotrophs, multicelluar or not, has cell walls or not and finally does it have sensery organs. If all the boxes are finally checked and correct i would fianlly classify this organism
what is movement of a part superiorly
Movement of a part superiorly is that you elevates when you move a part superiorly (closer to the top of the head), like shrugging your shoulders.
The most likely explanation for showing fewer organisms at each feeding level going up the
pyramid is that
1.
some energy is lost to the environment as heat
2.
the larger the organism, the less energy it requires
3
some energy is recycled within each level and remains there
4
decomposers convert most of the energy into inorganic compounds
Answer:
1.some energy is lost to the environment as heat
Answer:
Answer is 1
Explanation:
animals without limbs
Answer:
Limbless Vertebrae
Explanation:
You can search it up on w1ki
1. Sensitization makes a dog
A. easier to condition,
B. more responsive to later stimulation,
C. more difficult to condition.
D. less responsive to later stimulation,
Answer:
A.easier to condition
Explanation:
The dog may pant and pace when it's owner leaves the house, and over time, that dog may begin barking, destroying furniture and doorways or may vomit. The scientific term for what has happened those is sensitization.
1.12 The chances of having another daughter from parents who already have
2 sons and one daughter are...
A 75%
B 50%
C 25%
D 33%
What name is given to a proposed explanation for a set of observations
Answer:
Hypothesis
Explanation:
An hypothesis is a proposed explanation for a set of observation.
A massive increase in the growth of a specific species of algae resulted in record-breaking levels of a potentially dangerous toxin being released into the water. A researcher hypothesizes that the unusual growth of this algal species was caused by an increase in water temperature. The researcher designs an experiment to test the hypothesis. Which of the following is the dependent variable in the researcher's experiment?
a. The growth of the algae
b. The temperature of the water
c. The concentration of toxin in the water
d. The different species of algae growing in the water
Answer:
a. The growth of the algae
Explanation:
The researcher already knows that the over-growth of algae species results in excessive levels of a potentially dangerous toxin being released. But he/she wants to know what is causing this algae over-growth. The principal hypothesis is that the increase in water temperature is the cause of the unusual growth of this algal species. The researcher hypothesizes that the higher the temperature levels are, the more growth rate the algae will exhibit.
So in this experiment, the researcher can voluntarily modify the temperature in order to see how it changes the algae growth.
Before answering the question, let us remember a few concepts.
Independent (manipulated) variable refers to all the variables in an experiment that provoke a response in another variable. An independent variable is the one that changes or is controlled and modified in the experiment to analyze how another variable responds to it. It changes to analyze its effects on the dependent variable. Usually, the independent variable is represented by the X letter. The Dependent variable reacts to any modification of the independent variable. Any change in the manipulated variable provokes a proportional or inversely proportional change in the dependent variable. It represents the quantity of something, such as height, weight, length, rate, etc. It is usually identified by the letter Y.Now, let us analyze the options.
c. The concentration of toxin in the water. This is a dependent variable, which depends on the algae growth. The more algae present, the more toxins. However, this is not what the researcher is studying. He/She wants to know what is causing the increase in algae. So toxins, in this study, would be a secondary effect.
d. The different species of algae growing in the water . Probably this is also related to temperature and the biology of each algal species. However, the researcher is interested in a specific species of algae.
b. The temperature of the water. The temperature of THE water is directly involved in this experiment, but as the INDEPENDENT VARIABLE. The researcher will modify the temperature in order to know how it changes the algae growth. The researcher voluntarily modifies this variable, and this change provokes a change in the dependent variable.
a. The growth of the algae. The Growth of THE algae is the DEPENDENT VARIABLE. It CHANGES ACCORDING TO THE TEMPERATURE. So the change in the algae growth will depend on how the researcher modifies the temperature. We are referring to one specific algal species. This species is responsible for the toxins´ productions and is suggested to depend on temperature.
13. We observe objects that move and notice changes that happen quickly. Which of the following would be most difficult to observe directly with our eyes? O a fireworks display O boiling water in a pot O burning wood O a temperature change
Answer:
its would be the temperature changeing
Explanation:
because you can turn on the fan and other things
A technologist is performing a total cell count on a pericardial fluid. She prepares the undiluted fluid on a hemacytometer. An average of 170 cells was seen in the entire ruled area on each side of the hemacytometer. Calculate the total cell count. Group of answer choices
Select the correct answer.
Which alignment of the Sun, Moon, and Earth causes a lunar eclipse?
Answer:
Observing a Lunar Eclipse
A lunar eclipse occurs when the Moon passes directly behind the Earth into its umbra (shadow). This can occur only when the Sun, Earth, and Moon are aligned exactly with the Earth in the middle. Hence, a lunar eclipse can only occur the full moon phase.
Explanation:
SANA NAKA TULONG☺️
AUGGCGUUU which of the following DNA strands could have been the template for this RNA?
Answer:
3' TACCGCAAA 5'
Explanation:
Transcription is the process by which a particular DNA sequence (e.g., a gene) is used as a template to synthesize a complementary RNA sequence that grows in a 5′ → 3′ direction. This RNA molecule is usually a messenger RNA (mRNA) which is then used to synthesize a polypeptide chain (i.e., a protein) by a process called translation. The complementary RNA molecule produced during transcription is synthesized according to the base pair rules, i.e., Adenine (A) bases always pair with Thymine (T) bases, while Guanine (G) bases always pairs with Cytosine (C) bases. In RNA, Uracil (U) bases pair with adenine, thereby replacing thymines during transcription.
Which statement best explains the process occurring in step 4 of the life cycle ?
Answer:
d (pls give brainliest)
Explanation:
What processes occur during G2 phase? Choose all which apply.
Cells do their normal work
Cells assess DNA replication
Cells duplicate their DNA
Cells synthesize proteins necessary for division
Cells divide their DNA into two nuclei
Explanation:
the last part of interphase is called the G2 phase. The cell has grown, DNA has been replicated, and now the cell is almost ready to divide. This last stage is all about prepping the cell for mitosis or meiosis. During G2, the cell has to grow some more and produce any molecules it still needs to divide.
A cross-section of the small intestine reveals two layers of_?__ beneath the serosa that are responsible for peristalsis.
Answer:
smooth muscle,,,inner circular and outer longitudinal
A tick thats bites a dog and infects it with Lyme disease would be considered an example of
A. Commensalism
B. Parasitism
C. Mutualism
D. Succession
Answer:
Parasitism
Explanation:
parasitism
Do you think websites such as ancestry and 23andme should have databases that are not allowed to be used by law
enforcement or insurance companies, and be 100% private? Currently, they can be used without any restrictions. Explain your answer.
Answer:
its a risky thing to do but i wouldnt say illegal .. like ciggarattes,, they bad bit not ILLEGAL
Explanation:
you dont know who really has your DNA sampled or what they doing with it .. thats the risky pary
BUT this a good question
A paleontologist identified two distinct species of mollusks in the fossil record of a region. In the layer below a mass extinction that devastated the region, the paleontologist observed that shells of species A was present in small numbers over a widespread area whereas species B was abundant and found in a few restricted areas. Which of the following predictions about the fossil record in the layer above the mass extinction is the MOST likely to be supported by further excavations?
a. Species A survived because of its widespread range including some areas that were not as affected by mass extinction.
b. Species A survived because the low number of individuals meant that there was less competition for resources.
c. Species B survived because it was the more abundant and more individuals survived.
d. Species B survived because the population was concentrated in a few areas and had a higher chance of survival.
Answer:
a. Species A survived because of its widespread range including some areas that were not as affected by mass extinction.
Explanation:
The species distribution might confer extinction resistance during massive extinction events. One of the most important reasons for a species -or any other taxonomic group- to survive massive extinction is its wide distribution area.
The broad geographical range of a group -as Species A in the example- enhances the survival chances during mass extinctions. When the event occurs, it severely affects most individuals of a certain area. If the species is restricted to that area, then the species will probably disappear, no matter the number of individuals living there.
But if the species is widely distributed, there are more survival chances. The extinction event will only affect a few regions, but not all of them, meaning that some of the individuals of the species will be able to survive.
Probably as only a few individuals of species A got to survive, they must have suffered the effects of genetic drift after the disaster, causing a reduction in genetic variability.
Erosion becomes a constructive force when
A) It deposits what it is carrying somewhere else (deposition)
B) it removes the top layer to let the new underneath be fresh
C) It is removes the bad and leaves only the good
D) It takes junk out of your way
Answer:
La (a) y la (b)
Explanation:
Espero ayudarte suerte
Which segmented worm may be used in medicine to prevent or break down blood clots?
(A) earthworm
(B) leech
(C) marine worm
(D) tapeworm
Answer:
the leech
B
Explanation:
(meow) <3 trust me ;)
What does NOT describe the region known as the motor end plate?
Select one:
a.
It is highly folded.
b.
It is part of the muscle fiber.
c.
It contains synaptic vesicles.
d.
Nuclei and mitochondria are abundant.
What is abortion and how does the process work. How much money does abortion usually cost.
Answer: Abortion is the killing of an unborn baby. Sometimes the head and bones are crushed, and pliers and scissors are used to slice and pull out the dead baby. I dont know how much it costs
Explanation:
Looking at the image to the right, which two letters would be responsible for lowering the water table?
A) C and D
B) All of them
C) A and D
D) A and B
Answer:
d
Explanation:
evaporation is the water being lost from the water body into atmosphere fence water level lowers
D.F. is a 37-year-old woman who presents to the emergency department after having a seizure.
Data
PMH: Seizures, unknown type
Headache
Housewife
Feels weak
No loss of consciousnessObjective Data
Vital signs: T 37 P 72 R 18 BP 114/64
Lungs: clear all bases
O2 Sat = 100%
CV = heart rate regular, positive peripheral pulses
Required:
a. What other assessments are necessary for this patient?
b. What are some of the causes of seizures?
c. Develop a problem list from objective and subjective data.
Answer:
1. Other assessments are necessary to this patient on given information of the patients are :
- headache before or after seizures.
- if proper functioning in sensory organs for taste, smell, hear
- complete brain assessments
- questionnaire related to seizures.
- forget about the seizure episode
- EEG
- complete blood test
- head CT/ MRI scan
2. CAUSES OF SEIZURES
High blood pressure due to
Sudden electric activity in the brain
too high or low levels than usual of sodium or glucose in the brain
Infection in brain
brain tumor
cardiac disease
high fever
3. in this case seizure is not known, during seizure time headache is common but with a high grade when compared to the normal, mainly it starts before the seizure.
in seizure time some times complete loss of memory, systolic and diastolic blood pressure also increases, heart rate increases. then oxygen saturation less than 100%. in this case heart rate is regular .