By mass
The liver
In general
The skin
Answer:
B. refraction
Explanation: hope this helps!
Answer: Through genes
Explanation:
When a baby is made the parents both pass on traits (genes) to the baby through DNA. The traits that the baby takes are determined by dominant and recessive traits.
Example: If both parents have brown eyes which is a dominant trait the baby will have brown eyes.
Answer:
The fix nitrogen into free nitrogen which is a usable form. They also bring nitrogen back into the system by decomposing dead organisms.
Answer 2.
Because, they are known as nitrogen fixing bacteria. These organisms convert nitrogen in the soil to ammonia, which can then be taken up by plants. After nitrogen has been fixed, other bacteria convert it into nitrate, in a process known as nitrification.
Both answer is correct choose the best choice for you.
Hope this helps!
Answer:
Lack of food, increase in predators, lack of space, too much competition within the population, lack of water
Explanation:
