Answer:
Deuterium
Explanation:
Deuterium is an isotope of hydrogen with one proton and one neutron in its nucleus.
Thus it has a mass number 2.
A. genetic make-up and biochemistry
Answer:
the chemical breakdown of a substance by bacteria, yeasts, or other microorganisms, typically involving effervescence and the giving off of heat.
Explanation:
Answer:
Deep ocean, below 1500 m, with essentially uniform temperature near 3 °C. The thermocline acts as a barrier separating reservoirs of the surface and deep ocean zones.
Explanation:
I don't know if it helps, but good luck :))
Answer:
B Sun > Algae > Shrimp > Red drum