The answer is A.changes in abiotic factors often affect population size.
Metamorphic rock forms as a result of heat and pressure.
A. heat and pressure.
The answer is simple Neptune because it is the only blue planet.
The land of the earth is divided onto seven continents. continents are larger than a island and usually made of multiple countries. the 7 continents are Asia, Africa, North america, South america, Europe, Australia and Antarctica.