An atom with 8 protons is————-

The greenhouse effect a. something that has occurred for millions of years b. an unnatural phenomenon caused by humans that maintains earths temperature range. c. the results of the differences in the angle of the suns rays d. an unnatural phenomenon that causes heat energy to be radiated back into the atmosphere

What is the most common structure of volcanoes?

What two atoms form a covalent bond a.a sodium and chlorine atom b. an iron and oxygen atom c. two oxygen atoms d. two sodium atoms apex