Answer:
Summarize your findings in a short report of 150 words. Include your hypothesis, observations, data, and conclusions. Be sure to answer the questions below as well as including your own findings and thoughts in your summary.
How many coins did it take to pull the bag off the table without the rollers (pencils)? With the rollers?
Why didn't the box slide off the table before you put enough coins in the bag?
What happened differently when you put the rollers underneath the matchbox? Why?
What factors caused a margin for human error in this investigation? What was your margin of error when you repeated this experiment?
What was the coefficient of friction for the matchbox? Would the coefficient vary if you tied the string to a similar object of different mass? What about a different object with the same mass? Explain.
What did you learn from this investigation? Be thoughtful in your answer.
Explanation:
What determines whether a star will end its life cycle as a black hole or neutron star or as a white dwarf?
Answer:
Where a star ends up at the end of its life depends on the mass it was born with. Stars that have a lot of mass may end their lives as black holes or neutron stars. A low or medium mass star (with mass less than about 8 times the mass of our Sun) will become a white dwarf.
The initial mass of the star with which it was born will determine how the star will end its life cycle.
What are black holes, neutron stars, and white dwarfs?
Black holes are regions in space with an extremely high pull of gravitational force which cannot even be escaped by light. Black holes are formed when the central core of a dying star collapses in itself.
Neutron stars on the other hand are extremely dense dead stars. Neutron stars are extremely bright objects, unlike black holes. Black holes are extremely dark because they trap any surrounding light while neutron stars emit light.
The massive stars in the universe end up as neutron stars or black holes. A star that has a low or medium mass ends up as a white dwarf.
A white dwarf is a dying star with a mass comparable to the mass of our sun but a size comparable to the size of the earth. Thus they have high mass and low dimensions.
Therefore, the factor that determines what a star will end up as is its mass when it was born.
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What is the importance of adulthood for living things?
Answer:
being able to become independent and start doing things you've been wishing to do as a kid :)
Explanation:
signs and symptoms of tuberculosis
Typical symptoms of TB include:
a persistent cough that lasts more than 3 weeks and usually brings up phlegm, which may be bloody. weight loss. night sweats. high temperature. tiredness and fatigue. loss of appetite. swellings in the neck.Answer:
weight loss
night sweat
high temperature
loss of appetite
Write down everything that you know about climate or climate change.
Answer:
ok.
Explanation:
Climate change is real truth on the earth. because the climate change is necessary for all living organisms and plants in different regions.
Difference between a hamster paws and a rats paws
Answer:
Rats feet tend to be more slender and dexterous. A hamsters paws are more wide and flat. Though they also tend to vary on size and color depending on the type they belong to. For example, the pet types us humans buy or breed tend to be on the smaller size.
Explanation:
performed experiments using radioactively
In 1952, Alfred and Martha
labeled viruses that infect bacteria.
O Hershey, Chase
O Hershey, Crick
O Watson, Crick
Watson, Chase
1 pts
adaptive features of Earthworm
here's your answer..
The adaptive features of Earthworm include streamlined body with no antennae or arms. The body of this organism is divided into segments.
What are the adaptive features?Adaptation can be defined as a state of the physical or the behavioral characteristics of an organism which helps them to survive better in the surrounding environment. Adaptation is essential for the survival of organisms in the new environment. These adaptations help the characteristics to become a part of the genetic makeup of the organisms.
An earthworm is a streamlined body organism with no antennae or fins or any arms or legs. The streamlined shape of the body is an adaptation to living in the narrow burrows which are present underground and the need to move easily through the soil. An earthworm has circular muscles which surround each body segment in the organism.
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Why do you think individuals prefer to same sex marriage?
Which two classes of biomolecules function in energy storage?
Answer:
Carbohydrates perform many functions in the cell. They form the structural elements of plants (cellulose), they function as intermediate energy storage for the body (glycogen) as well as quick energy (glucose), and perform many 'packaging and shipping' functions in the cell by serving as chemical markers.
Explanation:
The genotype for Type O blood is an
example of a(n)
ОО
ОА
ОАВ
ОВ
What happens at locations where magma convection currents flow away from one another?
A. Overlying, adjacent plates collide violently.
B.groundwater rises to the surface.
C.new crust is formed along the boundary.
D.oceanic plates slide beneath continental plates.
E.overlying, adjacent plates are pulled apart.
Overlying, adjacent plates are pulled apart when magma convection currents flow away from one another.
What is magma conventions?Magma is the molten rock below the crust, in the mantle. Tremendous heat and pressure within the earth cause the hot magma to flow in convection currents. These currents cause the movement of the tectonic plates that make up the earth's crust.
As tectonic plates slowly move away from each other, heat from the mantle's convection currents makes the crust more plastic and less dense. The less-dense material rises, often forming a mountain or elevated area of the seafloor. Eventually, the crust cracks.Hence, option E is correct.
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Answer:
What happens at locations where magma convection currents flow away from one another?
A. Overlying, adjacent plates collide violently.
B. Groundwater rises to the surface.
C. New crust is formed along the boundary.
D. Oceanic plates slide beneath continental plates.
E. Overlying, adjacent plates are pulled apart.
Which of the following is one of the most rapid ways of determining the general characteristics of a specimen? O Biochemical testing O Phage typing O Microscopic observation O Cultivation and isolation
Answer:
Microscopic observation
Explanation:
A specimen can directly be observed under a microscope and is the fastest and best method to check the external composition of the specimen in detail. The success of the identification will also depend on how it's handled treated and stored.If the wood from the old gym floor was burned to generate electricity, what type of energy resource would it be?
Answer:
I believe it should be Biomass. Its a form of Energy gotten from the Burning of plant and Animal resource
12. A baby crawfish has a long tail. Its mother has a long tail while its father has a
short tail. Which of these statements explains why the baby has a long tail?
Answer:
Due to the presence of dominant allele.
Explanation:
The long tail feature comes to the offspring from their mother due to the presence of dominant allele. The dominant allele appears in the shape and structure of the offspring as compared to recessive allele which hide in the structure. The long tail appears in the structure of the baby crawfish so we can say that it is a dominant allele that transfer from the female parent into the offspring. In the offspring, some traits are transferred from father and some from mother.
Answer:
The baby crawfish inherited one copy of the gene for tail length from its mother and one copy from its father. Those genes connect together to make its long tail.
Explanation:
i did it in class
Which of the following could cause low blood pressure?
A nervous system malfunction stimulating muscles to contract
A kidney malfunction that removes more water than normal
An endocrine response speeding up the number of hormones produced throughout the body
Buildup of fats and plaque found inside the arteries of the heart
Answer:
B) A kidney malfunction that removes more water than normal
Explanation:
Just took the test :)
Also, the answer choice is worded differently for me. The alternative answer is "A kidney malfunction that removes more water than normal".
What things could cause secondary succession?
CHECK ALL THAT APPLY
tornado
trees dying
overpopulation
fire
deforestation
flood
Answer:
Fire, trees dying, tornado
Explanation:
te
Many scientists are convinced that the growing human population is contributing to
the gradual warming trend that is occurring on planet Earth. According to the
researchers, which human activity is MOST likely to be a contributing factor in
global warming?
of
Select one:
o a. Humans have changed the chemistry of the world's oceans by the use of
phosphates and nitrogen-containing compounds.
o b. Humans have released vast quantities of chemicals that have created
excess ozone in the upper atmosphere.
O c. Humans have created acid rain by releasing sulfuric acids into the air in the
exhaust from factories and power plants.
O d. Humans have added carbon dioxide to the atmosphere by burning fossil
Answer:
Explanation:
I think it’s D humans have added carbon dioxide to the atmosphere by burning fossil fuels
Answer choices if you can’t see them good:
A. 0.33
B. 0.82
C. 0.11
D. 0.66
Answer:
a
Explanation:
that is it for the calculation
I’ll mark Brainlyest please answer!!!
Answer:
The sun is transfering energy to the apple tree which uses it to create the apple Justin eats. The apple transfers energy to Justin, who in turn transfers energy to the soccer ball when he kicks it.
The absence of at least one essential nutrient is called
Answer:
Malnutrition
Explanation:
QUANTO A UMIDADE E OS ALIMENTOS É INCORRETO AFIRMAR QUE:
A) A UMIDADE RELATIVA ESTÁ RELACIONADA AO AMBIENTE ONDE O ALIMENTO ESTÁ
B) PARA PROTEGER O ALIMENTO DA UMIDADE É IMPORTANTE O USO DE EMBALAGENS
C) A UMIDADE RELATIVA PODE INTERFERIR NA ATIVIDADE DE ÁGUA DO ALIMENTO.
D) QUANDO A ATIVIDADE DE ÁGUA É MENOR QUE A UMIDADE RELATIVA, O ALIMENTO PERDE ÁGUA.
Answer:
si amigo
Explanation:
PLEASE HELP ME ASAP IM GIVING AWAY 15 POINTS!!!!!!!!! No links!!!
Answer: A and C
Explanation:
PLEASE ANSWER QUICK
Which one of the following could be described as one of your traits?
1. your skill in drawing
2. the presence of dimples
3. the strength of the Achilles tendon for a marathon
4. your talent on how to play the violin/piano
Answer:
the presence of dimples im pretty sure
Explanation:
Based on data from the Environmental Protection Agency, 18 gallons of water is used on average to take a shower, which translates to one trillion gallons of water used for showers across the United States.
Which activities can help conserve water when taking showers? Check all that apply.
Shower in the morning instead of at night.
Shower using cold water instead of hot water.
Turn the shower off when shampooing.
Turn the shower off completely after use.
Use showerheads that use less water.
Answer:
c,d,e
Explanation:
The activities can help conserve water when taking showers is Turn the shower off when shampooing, Turn the shower off completely after use and Use showerheads that use less water.
How important is it to save water?Water plays a fundamental role not only in quenching thirst, but mainly in producing food and other basic necessities and comforts that are present in our daily lives, such as electricity. The lack of water affects all sectors of the economy and is capable of generating significant impacts in the country.
In this way, some effective ways to save water are:
Turn the shower off when shampooing.Turn the shower off completely after use.Use showerheads that use less water.See more about water at brainly.com/question/19920929
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What do you think it is?
Answer:
oak treeeee 100000000%%%Explanation:
PLEASE PLEASE HELP !!
Which letter in the diagram below represents the location where blood is pumped to the lungs and picks up oxygen?
Answer:
Either C or B
Explanation:
The letter C in the diagram represents the location which pumps blood to the lungs for oxygenation.
How many types of blood circulation are found?There are two types of blood circulation:
Pulmonary circulation: It is the route via which pulmonary artery transports the right atrium's deoxygenated blood to the lungs for oxygenation.The oxygenated blood through pulmonary vein is poured back into the right atrium.Systemic circulation: It is the conduit through which oxygenated blood from the right ventricle travels to the body's other organs before being returned to the right atrium by the superior and inferior vena cava.Which blood vessel transports deoxygenated blood to lungs?Pulmonary artery transports deoxygenated blood to the lungs for oxygenation from right ventricle.
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The equations for photosynthesis and cellular respiration are shown below.
Photosynthesis
6C0, + 6H 0 -CH2O + 602
Cellular respiration
CH,+02 - CO2 + H2O
Which statement below best describes how the two are related?
A
The products of one reaction are the reactants of the other reaction.
B
Water is the only compound both reactions have in common.
с
The two reactions are exactly the same as one another.
D
Both reactions are carried out in the cells of heterotrophs.
Answer: A
Explanation:
The process of formation of the food by trapping the sunlight with the help of chloroplast is called photosynthesis. The reactant used in the process is carbon dioxide and water.
The oxidation of glucose in the presence of oxygen to obtain energy is called respiration. There are two types of respiration. These are as follows:-
AerobicAnaerobicBoth processes are very important for living beings, as these reactions are interconnected to each other.
Hence, the correct option is A that is the products of one reaction are the reactants of the other reaction because the glucose formed in the photosynthesis is used in respiration.
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What were the objectives of the outer space mission Pathfinder? What was expected in terms of information to be gathered by it?
Answer:
The Pathfinder was designed primarily to demonstrate a low-cost way of delivering a set of science instruments and a free-ranging rover to the surface of the Red Planet. Pathfinders demonstrated a number of innovative, economical, and highly effective approaches to spacecraft and mission design. Info gathered by a Pathfinder included engineering data on the new technologies, and analysis of the Martian atmosphere, climate, geology, and the composition of its rocks and soil.
Explanation:
https://mars.nasa.gov/mars-exploration/missions/pathfinder/
Why are we attempting to find water elsewhere in our solar system?
Answer:
Essential to the formation of all known life, evidence of stable liquid water elsewhere could indicate an environment beyond Earth that could sustain the formation of extraterrestrial life
Explanation:
If there is water on other plants, Mars for example, then that shows there may be a sign of living life or a opportunity for us.
What part of an angiosperm contains the plant’s sperm?
pollen
anther
pistil
Style
Answer: pollen
Explanation: The anthers bear the pollen grains which contains the male gamete(sperm).