Many modern tests can detect pregnancy soon after fertilization occurs. which of the following explains why it is important for a woman to know she is pregnant within the first trimester? (2 points) it is when the brain and spinal cord are formed. it is when the lungs complete their development. it is when the nervous system begins to control body functions. it is when the organs start to function on their own.

Option A

Explanation:

The fusion of male and female gamete and the formation of embryo is known as fertilization. The embryo is then implanted in the uterus of females.

The whole pregnancy is divided into thee trimesters. The first trimester consists of 3 months and next 6 months is also divided into 2 trimester.

The first trimester is very important for the females as there are maximum chances of miscarriage. The development of brain and spinal cord takes place during the first 3 months of pregnancy and then followed by other organs in the 2 trimester.

i'm thinking (a) to keep sand in place; ////////////

explanation: a sand fence or sandbreak, like a snow fence, is used to force windblown, drifting sand to accumulate in a desired place. sand fences are employed to control erosion, sand dune stabilization, keep sand off roadways, and to recruit new material in desert areas.