Answer:
This exercise is incomplete, missing the value of k (decay constant), which is equal to 4x10⁻⁸s⁻¹ at 25°C
The answer is 0.549 years
Explanation:
Given:
first order of reaction
k = 4x10⁻⁸s⁻¹
For a first order of reaction, the half-life time for the degradation of DDT is equal to:

Viruses are much smaller then cells, viruses have genetic material DNA or RNA and cells also have genetic material
The answer is pelvic outlet. It is because if this is not
large enough and it is small, the baby won’t be able to be carried or delivered
out from the woman’s vagina as it won’t fit the baby and will likely lead to
complications if pushed through.