Answer:
It's d , activity level
Explanation:
Tempratement is something you are born with and it defines how an individual respond to the world
While activity level is the amount of motion that a child performs while doing some physical activity
They start in utero when the baby moves and kicks inside
When they grown up ,some children possess more energy and they don't seem to stay at one place
When they grow up they will jump and run a lot ,those who are highly active
Answer:
B.The sperm and egg.
<h3>....Hope it helps you.....</h3>
Answer:
they both decrease genetic variation
Answer:
Alkali metals are any of the elements found in Group IA of the periodic table (the first column). Alkali metals are very reactive chemical species that readily lose their one valence electron to form ionic compounds with nonmetals. All elements in the alkali metal group occur in nature.
Explanation: