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Ilya [14]
3 years ago
14

A college student has been assigned to write captions for a new textbook on gravity and motion. This is one of the pictures from

the textbook.
Earth, the moon, and the orbit of the moon around Earth. The moon has one arrow pointing toward Earth, and one pointing down away from Earth.

Which caption best describes the thinner arrow?

The moon moves toward the Sun due to gravity.
The moon will move away from Earth because of inertia.
The moon would move in a circular path if there were no forces.
The moon would not stay in orbit without the pull of Earth's gravity.
Biology
1 answer:
denpristay [2]3 years ago
4 0

Answer:

D

Explanation:

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8 0
3 years ago
Which hormone does the sympathetic nervous system release to increase heart rate.
sertanlavr [38]

The sympathetic nervous system releases hormones known as catecholamines which increase the heart rate.

<h3>What is a heart rate? </h3>

it is the number of contractions of the heart per minute.

<h3>What are catecholamines?</h3>

These are the neurotransmitters that have a catechol and a side chain that is an amine.

<h3>Which catecholamines are released by the sympathetic nervous system?</h3>

Epinephrine and norepinephrine are the catecholamines that are released by the sympathetic nervous system to increase the heart rate.

<h3>Where are these hormones released?</h3>

These hormones are released in the blood.

<h3>How does this hormone increase the heart rate?</h3>
  • "These hormones are released at the neuromuscular junction of the cardiac nerves."
  • "They shorten the repolarization period."
  • This speeds up the rate of depolarization and contraction and thus the heart rate is increased.

To learn more about sympathetic nervous system, hormones and heart rate here,

brainly.com/question/1155838

#SPJ2

8 0
1 year ago
Read 2 more answers
A wave with a height of a 5 feet and a wavelength of 15 feet has a wave base of
Tpy6a [65]
When a wave has a height of 5 feet and a wavelength of 15 feet then it has a wave base of 7.5 feet. Wave base is equal to the half of the wavelength so if you consider your wavelength to be 15 feet then it is divided into 2 that would give you answer of 7.5 feet.
5 0
2 years ago
Read 2 more answers
The chemiosmotic model requires an intact outer mitochondrial membrane. is supported by the observation that, when isolated mito
Rudik [331]

Answer:

requires that mitochondrial ATP synthesis and electron flow through the respiratory chain be obligately coupled.

Explanation:

The chemosmotic model was a concept formulated by Peter Mitchell, who stated that during the phases of electron transport in the respiratory chain, an intense release of energy occurs. This released energy allows hydrogen ions to be transported from within the mitochondrial matrix to the intercellular medium. The result of all of this is the occurrence of a chemosmotic gradient. However, when interpreting what occurs in the chemosmotic model, we can see that this model requires that the mitochondrial synthesis of ATP and the flow of electrons through the respiratory chain must be coupled.

8 0
3 years ago
What does the range of population tell you that density does not?
hodyreva [135]
Hello There!

What does the range of population tell you that density does not?

The areas inhabited by a population.

Hope This Helps You!
Good Luck :) 

- Hannah ❤
6 0
2 years ago
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