Answer:
Marijuana affects more than just a teen’s developing brain and health. Frequent use of the drug can have long-term effects on a teen’s life goals.
But convincing teens that marijuana use is dangerous is especially difficult today, says Humphreys, who is also a former White House adviser on drug control policy.
"Kids are less likely to use any substances that they perceive as harmful, and now we have very loosely regulated medical marijuana in a lot of states so it is much more accessible," he says. "It is pretty hard to persuade kids that it is dangerous when
Explanation:
The answer is 700. First, find the hundreds place, then look at the digit right of that number, see if it's greater than 5, if so, round up, if no don't do anything. So 7 is greater than 5 so we change 6 to 7. Which is 700
Answer:
Explanation:
I need the answer to this question too!
<span>Selective media are used for the growth of only selected microorganisms. For example, if a microorganism is resistant to a certain antibiotic, such as ampicillin or tetracycline, then that antibiotic can be added to the medium in order to prevent other cells, which do not possess the resistance, from growing. Media lacking an amino acid such as proline in conjunction with E. coli unable to synthesize it were commonly used by geneticists before the emergence of genomics to map bacterial chromosomes.</span>
