Physics, 29.01.2020 10:54 StephenSudu

The ultimate source of heat in the process of global warming is a. the burning of fossil fuels b. carbon dioxide c. the sun d. greenhouse gases

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Answer from: woahhh17

The ultimate source of heat in the process of global warming is greenhouse gases. The correct option among all the options that are given in the question is the last option or option "d". the greenhouse gases contain carbon dioxide and it is one of the major reason of global warming. The greenhouse gases does not allow the heat of the sun to escape from earth.

Answer from: yolo123321

Answer from: Quest

A) acceleration. this seems to be the one that makes sense.

Answer from: Quest

air exerts forces on falling objects near earth’s surface.

explanation:

the term 'free falls' refer to object that are falling towards the earth, in a situation in which gravity is the only force acting on the object.

for an object in free fall, the acceleration is constant (g, the gravitational acceleration), and so the velocity of the object constantly increases.

for objects near earth's surface, there is always another force acting on the object: the resistance due to the air. this force is opposed to the direction of fall of the object, and it is proportional to the velocity of the object, so as the object falls down, this force increases up to a point when it balances the force of gravity, and the object continues its motion at constant velocity (called terminal velocity). since in this case gravity is not the only force acting on the object, we are not in a situation of free fall.

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The ultimate source of heat in the process of global warming is a. the burning of fossil fuels b. c...