gene density is about one gene per five kilo-base pairs. So I believe the answer is 20%
A is the answer for the question meaning number 1
BMI or body mass index can tell us how much fat an individual is likely to have, this could then show potential health condition if someone was underweight or overweight for example
Answer:
Sizable numbers of adolescents are sexually active. ... Their immature reproductive and immune systems make adolescents more vulnerable to infection by various STD agents.
Explanation: