<span>These amino acids cannot be made by the human body and must be consumed in one’s diet</span>
Answer: 100 grams of the parent isotope will remain after one half life.
Explanation:
Mass of the isotope present at initial stage =
The mass of the parent isotope left after the time ,t=N
Time taken by the samle ,t =
The half life of the sample :
100 grams of the parent isotope will remain after one half life.
The careful use of resources is called CONSERVATION. You can remember this because we are CONSERVING resources, which means to only use them when necessary.
Answer: conservation
the answer is D because i just took the test hope this helps