The different forms of a gene are called alleles
Well, usually the qn would be what is different between a compound and a molecule. but if you ask like this then, here goes.
An element is the simplest substance that can not be broken down into its components using physical processes. exp: Na, S, K
A molecule is a substance that make up of an element bonded together.
exp: O2, S2, F2(diatomic molecules)
Answer:
the second to last one
Explanation:
BP is extremely high?? average is 120/80, also elevated temperature.
A cloud of gas, if large enough, begins to contract. The density and temperature increase, so that nuclear fusion can begin. This is when Hydrogen becomes Helium.When hydrogen is "burned", the contraction stops. At this time, the gas becomes a star
Answer:
H20
Explanation:
because all living things need water(H20) in other to survive
