Isaiah is using a drug that can be helpful to people who need it but is harming to his body his motivation is to gain muscle for a sports team he wants to join which drug is Isaiah most likely using A alcohol B tobacco C over-the-counter drugs D performance-enhancing drugs

How could natural selection best be used to explain the evolution of the white fur of arctic fox

Viruses ) manufacture their own atp, proteins, and nucleic acidsb) use the host cell to copy themselves and make viral proteinsc) use the host cell to copy themselves and then viruses synthesize their own proteinsd) metabolize food and produce their own atp

The famous scientist galileo galilei did several experiments with sloping planes, which he rolled metal balls down so that he could study motion. by changing the slope, he could study how the speed at which the ball rolled was affected. what was the dependent variable in galileo's experiment?