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vampirchik [111]
3 years ago
6

The force of gravity depends on what 2 things

Biology
2 answers:
Delvig [45]3 years ago
6 0

Answer:

mass and distance

Explanation:

OLga [1]3 years ago
3 0

Answer:

The masses of the objects and the distance between them

Explanation:

The formula for the force (F) of gravity is  

F = \dfrac{Gm_{1}m_{2}}{r^{2}}

where m₁ and m₂ are the masses of the two objects and r is the distance between them.

Thus, the force of gravity depends on the

  • Masses of the objects
  • Distance between them

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An atom has an atomic number 17 and atomic mass number 35. How many neutrons are present in its nucleus?
Andreas93 [3]
There are 17 neutrons.
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3 years ago
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DNA is a(n)__________ that encodes proteins sequences.
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DNA stands for Deoxyribonucleic Acid, so it's an acid
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masteringbio JFor each of the studies described below, indicate if it is hypothesis driven and whether the scientist is employin
juin [17]

Incomplete question. The remaining part of the question read;

Words in the left column:

  • Yes
  • No
  • Observational
  • Manipulative

1. A physiologist incubates eggs in the lab at a range of temperatures to see what temperatures produce males and what temperatures produce females.

2. A biologist predicts that shade might influence ground temperature, and therefore turtle sex ratios. He records the sex ratio of turtle hatchlings in shaded and unshaded regions

3. An ecologist predicts turtles grow larger when no predators are around. She places turtles in an experimental pond system where half the ponds have predators and half the ponds have had the predators removed.

4. A climatologist predicts that concentration of CO2 in a city will be negatively correlated with the amount of wind in that city. He collects data and looks at the amount of CO2 in a city as a function of the wind speed in the city.

5. A sociologist conducts a survey in Hawaii to describe people's attitudes about global climate change.

6. A scientist determines the average wind speed, and variation in the amount of wind, in a number of locations to see which locations would be most suitable for wind turbines

<u>Answer/Explanation:</u>

1. <u>Hypothesis-driven?</u> Yes!

<u>Observational or Manipulative?</u> Observational.

We can make this conclusion here that the physiologists' research is hypothesis-driven since we are told he wanted to <em>"see what temperatures produce males and what temperatures produce females." </em>In other words, he wanted to know whether the temperature used in incubators can influence the sex of an egg by means of observation.

2. <u>Hypothesis-driven?</u> Yes!

<u>Observational or Manipulative?</u> Observation.

3.  <u>Hypothesis-driven?</u> Yes!

<u>Observational or Manipulative?</u> Manipulative.

We can make the conclusion that is the ecologist used the manipulative method in her research since she decided to place the turtles in two different types of ponds; one where half the ponds have predators while in the other the pond the predators have been removed. In other words, she manipulated the independent variables.

4. <u>Hypothesis-driven?</u> Yes!

<u>Observational or Manipulative?</u> Observational.

Note, the use of the word, "predicts" in most instances underscores the tone of hypothesis-driven research, hence we can say Yes! And remember, we are told the researcher "collects data", meaning he is merely observing differences that occur naturally.

5. <u>Hypothesis-driven?</u> No!

<u>Observational or Manipulative?</u> Observational.

<u>6. Hypothesis-driven?</u> No!

<u>Observational or Manipulative?</u> Observational.

5 0
3 years ago
How do hydrochloric acid and bile salts help digest food?
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HCL is guilty for triggering the release of enzymes such as pepsin which are essential for the digestion of protein. Bile contains bile acids, which are critical for digestion and absorption of fats and fat-soluble vitamins in the small intestine.
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Water is one of the end products of aerobic respiration. What is the source of the oxygen atom used in formation of the water? (
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The source of the oxygen atom used in formation of the water in aerobic respiration is (C) molecular oxygen (O₂).

Water has the chemical formula H₂O. It makes up approximately 60% of a human's body. It is also an end product of the cellular respiration. It is also considered to be the universal solvent. The body essentially requires water to perform all of its functions.

Aerobic respiration is the breakdown of glucose to yield energy in the form of ATP in the presence of oxygen. All the aerobic organisms follow this mode of respiration. the by-products of the respiration and carbon dioxide and water.

To know more about aerobic respiration, here

brainly.com/question/12605249

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1 year ago
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