I think its A) A antigens
The brain has THREE major parts, which are the BRAINSTEM, CEREBELLUM, and the CEREBRUM.
She can do an experiment by purchasing the top soils she think will work. Then she must take care of each plant exactly the same way. the only thing that will be different is the soil. If she waits for a couple of weeks she can observe each flower and see which one turned out best and use that soil that was used in her best flower.
Answer:
1. D
2. B
3. A
Explanation:
The dashed circle indicates the process of infiltration because the water of precipitation goes inside the soil. Infiltration is the process in which water enters the soil through small opening present on the earth surface. When the clouds are formed, precipitation occurs in the form of rainfall and snowfall. Condensation is a process in which water vapors change into liquid when the environment has low temperature or cool so condensation occurs on the windows of Erica.