Answer:
An element is a material that consists of a single type of atom. Each atom type contains the same number of protons. Chemical bonds link elements together to form more complex molecules called compounds. A compound consists of two or more types of elements held together by covalent or ionic bonds.
Explanation:
Above
^
I
Answer:
B. Performing a larger number of experimental trials makes the results more dependable.
Explanation:
Every measurement has uncertainty.
If the uncertainties are random, the more measurements you make the more likely you are to mess up.
Answer:
What stages of aerobic respiration needs oxygen to happen?
The Krebs cycle and the electron transport system
Answer:
A
Explanation:
The answer is A. sometimes that stuff happens
Brain and is going insane
