_______________ reactions transfer energy to the surroundings, usually as heat.
C. Exothermic
Answer:
C) It involves interactions between biotic and
abiotic factors.
Explanation:
Ecosystems need energy imput, need both consumers and producers, and can exist on land, lakes, rivers and oceans.
"0.01 percent solute concentration" is the solution among the choices given in the question that <span>would cause it to swell.</span>
D. Chromosomes
DNA in the nucleus is found in structures called chromosomes.
The atomic number of protactinium is 91