The amount of gravitational pull helps determine the gases that can form an atmosphere around a large body in space. So the mass of an object also determines the density of these gases. Note that several factors come into effect for a large object to sustain their gases if present.
Answer:
option A is correct
Explanation:
when atoms in the solid state are heated they gain energy and start vibration due to which solid molecule lose their rigidity and are converted into liquid by the gain of energy
Doctors would let your body's immune system fight off a bacterial infection. If the infection gets worse, then the doctors would proscribe you with some antibiotics so it'll fight off the harmful bacteria.
A) ability to learn or acquire the new traits
Explanation:
It's the process that species go through in order to become accustomed to an environment.