Answer:
Cellular Respiration
Explanation:
In cellular respiration, animals take in O2 (oxygen) and exhale CO2 (carbon dioxide).
If the ratio is 9:2 that means that 45 would by ñ times 9. At the same time, ñ must also fit the ratio. Using this knowledge, you can divide 45 by 9, giving you 5, then multiply it by 2. This means that the child is 10 years old.
An organism can "make a living" and survive in its niche.
What possibly aided in the adaptation of snakes would be not being able to get food or not being able to Undergo difficult tasks of protecting itself.
