Answer:
b
Explanation:
the element is named after the latin word for calcium 'calx'
Answer:
B
Explanation:
This involves selectively breeding two or more populations of a species or subspecies with desirable traits that are wanted by the humans. The offspring of the populations will bear the desired traits from the population. Breeding can be done over generations. An example is the breeding a cattle population that is resistant to drought and another that produces more milk. The filial generations will bear both traits.
You can gather information from both actions.
I believe it’s circulatory system.
