Answer:
a physical change does not change the composition (what it's made of) as a chemical change would.
A compound has more than 1 element that is bonded together. The only one listed that fits the definition is D
DNA and RNA can also be ISOLATED from the same biological sample.
So the answer is no, both DNA and RNA are together.
The only nonmetal
that is liquid at room temperature is the element Br or Bromine. When we say at
room temperature, it means at zero degrees Celsius and at one atmospheric
pressure. The metal that is liquid at room temperature is the element Hg or
mercury.
