Earth's gravity acts upon objects with a steady force of __________.

Biology

2 answers:

OLEGan [10]3 years ago

8 0

The correct answer is D...9.8 meters per second squared.

Ivenika [448]3 years ago

7 0

Earth's gravity acts upon objects with steady force of 9.8 meter per second squared. Gravity is the attraction of earth acts on a body, that pulls it toward earth. The value of gravity is constant and equals to 9.8 m/s². The force of attraction can be calculated by:

F = ma

where, m is the mass and a is the acceleration due to gravity which is equals to g. The force of gravity is equals to the weight of the body and can be written as:

W = mg

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20.

xxMikexx [17]

Answer:

Sugars and phosphates

Explanation:

DNA is deoxyribonucleic acid.

The backbone is based on a repeated pattern of a sugar group (deoxyribose) and a phosphate group.

The image below shows one straightened-out strand of DNA with a backbone of alternating sugars and phosphates.

A is wrong. There is no ribose in DNA.

B is wrong. The nucleic acids A, C, G, and T join one strand of DNA to the other.