Your answer is A.The use of biological processes to develop products or technology
Hope this helps :)
The answer is B. Is greater than the number of deaths.
I believe it Should be 180
The correct answer is the cluster sample is obtained by selecting individuals who are easily contracted rather than who voluntarily respond because cluster sampling is a way of dividing a group then the individual responsible for picking from the selected population will select people from the cluster in which is easily contacted.
Carbon dioxide, oxygen. This is the connection between cell respiration and photosynthesis