Well if i am reading the question right then particles of matter are either ions, protons, neutrons or electrons is this have to do with chem or physics bc the question is a little vague
Answer: Metamorphic rock occurs when you take any other type of rock and put them under and , and they twist and meld together. ... If any type of rock experiences intense heat and pressure, it changes into rock.
Explanation:
Answer:
C
Explanation:
It supports and protects the cell.
The sympathetic nervous system. The hypothalamus, in close association with the limbic system of the brain. <span>The two main chemicals invoved here are the neurotransmitter "norepinephrine" (noradrenaline) and the hormone "epinephrine" (adrenaline).
So I would say D</span>
There are no facts in science only hypothesis that have been tested. if there is a scientific thought it will most likely change or have to be tested again because there is always new information in the world that has yet to be discovered.