<span>Synthesis means "combination or composition" or when 2 elements fuse together and the only things that are given are Mg and O2. so I believe it would produce MgO.</span>
The right answer is B. controlling the flow of blood to the skin
When the body temperature is below the set point, the hypothalamus activates several thermogenesis mechanisms:
* Vasoconstriction on the vessels near th skin by the sympathetic nervous system to reduce thermal exchanges between the skin and the surrounding environment.
* And increase in heat production:
-by muscular activity:
-by the metabolism:
A. Moisten and filters incoming air
Answer:
Active Transport
Explanation:
Active Transport is moving substances from lower concentration to a higher concentration.