Cyanobacteria were very simple organisms and performed were an role in changing Earth's early atmosphere. They carried out photosynthesis to produce the materials they needed to grow. In this process, they release Oxygen which is needed to sustain life on Earth for Humans and other organisms.
Answer:
The waste products are Carbon Dioxide and Water.
Explanation:

I think the correct answer from the choices listed above is option C. The purpose of a controlled experiment is to examine whether one variable causes a change in another. A<span>n independent variable is the only factor that is allowed to be adjusted, with the dependent variable as the factor that the independent variable will affect.</span>
If both parents have type o, the child will also have type o, if parents are both type O the children will only inherit type O since type A and B are dominant over type O
A producer is like grass, then consumers like a zebra will eat the grass, and wen the zebra dies its body breaks down and helps more grass grow. That cycle keeps going over and over, it never ends.