Biology, 02.10.2020 15:01 sdfghyuji123
Which of the following best describes why objects can stay on the surface of the earth without floating away or being crushed?
A. Earth's outer core produces a magnetic field, which keeps objects on the surface of Earth without floating away or being crushed
B. Gravity keeps objects on Earth. The mass of Earth gives it a gravitational field that is just right for life on Earth.
C. Earth's outer core produces a gravitational field, which keeps objects on the surface of Earth without crushing them.
D. Magnesium keeps objects on Earth. The mass of Earth gives it a magnetic field that is just right for life on Earth
Answers: 1
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Alaska and northern canada have a diet rich in vitamin d and their skin color is darker than predicted on the basis of iv intensity at their latitude. explain the observation:
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Each pair of clay balls represents two planetesimals. if each planetesimal is composed of the same material and is separated he the same distance, which pair experiences the frayed gravitational attraction?
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Biology, 22.06.2019 06:00
Monomers are the building blocks of larger molecules, called polymers. for example, proteins are composed of chains of amino acids that are linked together. cellulose is a polymer that makes up plant cell walls. cellulose is made from a chain of c6h10o5 molecules. which monomers are most likely used to produce cellulose? why?
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Which of the following best describes why objects can stay on the surface of the earth without float...
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