Answer:
Answer is B.
Explanation:
<u>Period is duration of time</u>.
Period can be of a second,minute,hour or of Some years.We will give unit according to the duration of time.In the given options second is most obvious because it is used to measure time.
The enzyme is a catalyst, meaning it is speeding up the chemical process.
Answer:
B
Explanation:
It tells us a lot about why the argument is correct.
sex sex sex? mating? ????
Answer:
46 chromosomes
Humans have 23 pairs of chromosomes, so our hearts have 46 chromosomes.
Explanation:
Hope it helps