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caitlinsanders
11.04.2020 •
Biology
Which of the following is a true statement?
Some mammals can produce larvae.
Invertebrate uses sunlight for energy.
Mammals give birth to live young.
Mammals can only hunt at daytime.
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Ответ:
This question is incomplete; here is the complete question:
Herberto wanted to compare the gravity on the Moon to the gravity on Earth. Which statement below is correct?
The gravity on Earth is less than the gravity on the Moon.
The gravity on Earth is greater than the gravity on the Moon.
The gravity on Earth is equal to the gravity on the Moon
The gravity on Earth is the same as the gravity on the Moon.
The correct answer is The gravity on Earth is greater than the gravity on the Moon.
Explanation:
One of the factors that most affect the gravity (the force that makes objects move towards the center of a body) of planets like Earth or smaller bodies such as the moon is the mass. Indeed, if the celestial body is more massive or contains more mass the gravity force is stronger. Now, the mass of Earth is higher than the one of the moon. This makes the gravity of the moon weaker. Indeed, the gravity on Earth is 9.8 meters per square second, while the one in the moon is 1.62 metes per second, which is about 1/6th of the gravity on our planet.