‘Control’ should go in the blank spot.
The answer for the picture put up is D, not C.
D is the correct answer.
Answer:When someone becomes depressed in certain seasons (typically happens in the winter months). However, It can happen based on events that take place during those months or simply just the weather.
Explanation:
Your immune system uses a huge army of defender cells - different types of white blood cell. You make about 1000 million of them every day in your bone marrow. Some of these cells, called macrophages, constantly patrol your body, destroying germs as soon as they enter. This is your 'natural' or inborn immunity. But if an infection begins to take hold, your body fights back with an even more powerful defence of T- and B-cells. They give you acquired immunity, so that the same germ can never make you as ill again.
Answer: Photosynthesis is an anabolic reaction because it combines simple molecules into more complex molecules.
Explanation:
