Cholesterol is not a part of the cell membrane
Answer:
Atoms are the most reactive when they have a full outer energy level.
Explanation:
Atoms are the least reactive and most stable when their outermost electron shell is full.
A gas is given off when two substances are mixed.
<u>physical change: A copper rod is hammered into a thin sheet. </u>
A solid forms when two clear liquids are mixed.
A matchstick changes color when it burns.
explanation
a physicals change vs chemical
physical change is like cutting, changing shape etc, it the molecules that make it and the chemicals of it stay same
chemical change when it chemically changed such as cooking meat
The sun. It supports the ecosystem
Can predict volcanic eruptions as long as adequate resources are available
