How does the carbon atom complete its octet? a. it forms ionic bonds by sharing electrons. b. it forms covalent bonds by donating electrons. c. it forms covalent bonds by sharing electrons.

the answer is c. It shares electrons to complete its octet

Answer;

B)All matter is made up of particles, called atoms, that are constantly moving.

Explanation;

-A hypothesis is a limited explanation of a phenomenon; a scientific theory is an in-depth explanation of the observed phenomenon.

-A scientific theory is a series of statements about the causal elements for observed phenomena. A critical component of a scientific theory is that it provides explanations and predictions that can be tested.

-"All matter is made up of particles, called atoms, that are constantly moving" is a scientific theory providing explanation on the composition of matter.