Answer:
number, variety and variability of organisms
Explanation:
A - the paper can be burned
this is irreversible
being irreversible is a chemical property
Answer:
Kinetic and potential energy of atoms result from the motion of electrons. When electrons are excited they move to a higher energy orbital farther away from the atom. The further the orbital is from the nucleus, the higher the potential energy of an electron at that energy level.
Explanation:
Kinetic and potential energy of atoms result from the motion of electrons. When electrons are excited they move to a higher energy orbital farther away from the atom. The further the orbital is from the nucleus, the higher the potential energy of an electron at that energy level.
hope what a write is correct and it help you
Answer:
sexual reproduction between two individuals from different continents
