Answer:
invasive species threaten biodiversity
Explanation:
they can take up an inoordinate amount of resources that affect people and animals. they are different from reintroducing a species. invasive species are bad for biodiveristy.
Answer:
Evolution occurs about 6 million years ago.
Explanation:
The mammoth evolved from the common ancestor because evolution occurs about 6 million years ago. The modern elephants and woolly mammoths share a common ancestor and they are split into two separate species about 6 million years ago due to change in genetics as well as environment that leads to the evolution in the elephants.
<span>If the measurement is large they use pints if small, ounces if medium, cups.</span>
It is an an example of A response because stimulus is what triggers the response and instinct has nothing to do with this
Answer:
Carbon's valence is ±4.
Explanation:
Valency corresponds to the group;
Group 1 has valency +1
Group 2 has valency +2
Group 3 has valency +3
Group 4 has valency ±4
Group 5 has valency -3
Group 6 has valency -2
Group 7 has valency -1
Group 8 has valency 0
The valency refers to how many bonds an atom will make in forming a molecule/compound;
This is also referred to as the combining power of an atom.
