The mass of the object as well as the force upon the object will affect the level of an object's acceleration. Acceleration is force divided by the mass.
When it comes to energy, saying that something is cleaner than coal means that it does not harm the environment as much as burning coal does and it is usually sustainable. The clean is the same one in the term "clean energy"
a)the number of species on Earth or b)the number of individual organisms on Earth
Answer: A.
Explanation: Hope this helps
There is still room for doubt because they can never be too sure whether there is evidence for life found in the graphite!
