It is C. Nitrogen. Nitrogen is 78% of the atmoshere
Answer:
I think this would help you Sun, water, food, animals, etc.
Answer:
The nervous system releases neurotransmitters at synapses at specific target cells & The endocrine system reacts more slowly to stimuli, often taking seconds to days.
Explanation:
The nervous system is very specific with where the neurotransmitters go so they will affect target cells. The endocrine system is slower than the nervous system because the hormones travel through the blood so it takes much longer to reach the designated area.
Answer:
C using gas for heat
Explanation:
only thing that uses fossil fuels