If she spent $42.15 on dinner it does not matter that this is half.
The equation should be: x-42.15

20
I hope that this is the answer that you are looking for.
The answer is B, use energy they take in from the environment to convert inorganic molecules into complex organic molecules.
Answer:
its 30 N
since it didn't change it stays the same 30N.
E<span>ach atomic number identifies a specific element, but not the "Ion/Charged particle"
Hope this helps!</span>
The Galapagos Islands are where he made his most important discoveries about evolution.