Answer:
Nervous system
Explanation:
The nervous system in humans work together to collect information about the external environment because they consist of the brain, spinal cords and neurons. They collect information from external environment and those information travels through neurons from sense organs like eyes, ears, skin e.t.c as a form of electrical impulses. When they get to the end of the neuron, a chemical called neurotransmitters are released which travels across the cells and send it to the brain, the brain then process it and interprete the signals and respond to it as stimulus.
Answer:
phosphates will return to the soils or oceans again during decay
Hope I helped :D
Explanation:
the virus which can transfer from one person to another are called smart virus. example corona virus
the layer in the earth I did it before
Enzymatic activity will increase as more enzyme is added but will stop once all the substrate has been reacted with as it has nothing to act on