Your body makes thousands of different kinds of proteins. How many different building blocks does it use to make all these different proteins? Group of answer choices

13

9

22

50

How does social isolation affect teens?

What is the best way to use the clean water act to address the issue of dirty water and diseases that plague asmall community? a) to report the number of cases of people who havecholera symptomsb) to provide health guidelines about effects from waterborne diseases c) to enforce standards that focus on chemical dischargeinto bodies of waterd) to carry out research that investigates how dirty wateraffects human health

Which one of the doll choices is a bio marker of biological again that can you determine whether or not you’re doing or worse than your chronological age