Answer:
Chemical reactions involve the rearrangement of electrons and Isotopes of the same element behave differently in a nuclear reaction.
A normal human have 32 teeth......
The answer is
D. another natural disturbance
Answer:
Sympathetic nervous system
Explanation:
The sympathetic nervous system is the part of the autonomic system of neurons which gets activated in the condition of stress.
The stress conditions activate the sympathetic nervous system which prepares the human body for the stress condition by either fight or flight mode.
The fight or flight responses requires a large amount of energy which are produced by the activation of the parasympathetic energy therefore the sympathetic system involves the expenditure of the energy. The system is also involved in sexual arousal.
Thus, the Sympathetic nervous system is the correct answer.
They could eat unicellular organisms. Hope this one actually helps
