Answer is A
Firstly axon must reach the threshold level and then depolarisation occurs. Depolarisation phrase means sodium enters and potassium leaves the axon . Choice C can't be because main idea is the entering of sodium ions.
The BRAIN. All of the senses send message to the Brain
<span>A. 5/8
B. 2/3
C. 10/12
D. 3/4
We need to simplify the fraction. Whatever number we use to divide the numerator, should also be the number used to divide the denominator.
18 </span>÷ 2 = 9
24 ÷ 2 = 12
9 ÷ 3 = 3
12 ÷ 3 = 4
18 / 24 is equal to 9/12
18 / 24 is equal to 3/4 CHOICE D.
3/4 IS THE SIMPLEST FORM OF THE FRACTION 18/24
The answer is B, I think.
Your mother has two X chromosomes and your father has an x and a Y chromosome