Is the regular movement of individuals or populations each year during certain seasons. This leads to
cycles of immigration and emigration as organisms leave and
return

Than y you put it in    biology

A  reaction  in which  energy  is  released  to the surroundings is called an exothermic  reaction. in this type of  reaction  the enthalpy, or stored  chemical energy, is lower for the products than the reactants. when ammonium nitrate is dissolved in water,  energyis  absorbed  and the water cools.

Anspoor level of aerobic fitness;