based on the data in the table above, which is a reasonable conclusion regarding elements and the compounds they form?

The options to this question are unclear, however, the question can still be answered based on general understanding. The answer is:

When elements form compounds, atoms are chemically combined.

Explanation:

Elements are substances made up of a single type of atom. However, elements combine together to form substances called COMPOUNDS, which are substances made up of two or more different atoms. Atoms of elements are joined or linked by certain chemical bonds to form compounds.

According to this question showing a chart of different combinations that some elements form with oxygen, carbon and hydrogen elements combine with oxygen to form CO2, CO and H2O, H2O2 respectively. For this to occur, ATOMS of the ELEMENTS combining MUST be CHEMICALLY BONDED

the correct answer is d

bacteria could be both, harmful and to us. harmful bacteria could make us sick and probably even by getting the chances of getting a disease, but good bacteria fight it off with your immune system. there is always bacteria everywhere we go. we need to make sure to wash our hands after using the restroom, before eating, after eating, after petting an animal too. so you see, bacteria is everywhere and is harmful or . i hope this . : ) : ) : )