Its phytoplankton release oxygen its a long process on how though
This is why it’s important to protect echo systems: Ecosystems are essential to our well-being and prosperity as they provide us with food, clean air and fresh water. Ecosystems also represent an exceptional source of outdoor recreation opportunities. The functions performed by ecosystems that increase our well-being are called ecosystem services.
Answer:
C. (last one)
Explanation:
There is a lot of heavy superstition surrounding the ingestion of genetically modified foods and some people believe that consuming foods modified by different DNA can effect their own. However, this is scientifically impossible as a person's DNA is not something that can be modified by anything as you are born with it and your DNA makes up your entire body. Almost every cell in your body contains at least some DNA, meaning that to modify it, every single cell in your body would have to change
Answer:
the need for cars increases
Explanation:
The need to have a car increases because the city expands and the journeys become longer. However, the expansion comes with an increase in the number of population, which causes congestion in public and private transport. If there is an increase in the demand for transport and the number of public and private cars increases.
Almost all of the plant tissue called cellulose is made up of the cell walls. This is a specialized sugar, and is not used for energy. The correct answer is cellulose.
