Answer:
get a cheat sheet like fr
Explanation:
Enzymes are biological molecules that significantly speed up the rate of virtually all of the chemical reactions that take place within cells. The vital for life and serve a wide range of important functions in the body, such as aiding in digestion and metabolism.
Answer:
Warm air is cooling quickly.
Explanation:
Hot air rises and cool air sinks.
Needles.
Sharing needles or things that you can eject through your skin (ex. drugs)
Infected tattoo needle that wasn't cleaned and disinfected properly
Isotonic solution. Hypotonic is less salt concentration and hypertonic is more