What is the most important element they keep in mind for the missions? of apollo

Amplitude is a measure of a waves a; speed b; distance c; energy d; frequency

Acombination reaction is when two or more combine to form one product. a decomposition reaction is when a substance breaks down into two or more simpler substances in a chemical reaction.

What is the primary force that suspension bridges use cables to hold their spans up? a. tension force b. resistance force c. normal force d. elastic force e. applied force