When a doctor is able to determine the sex of the fetus during an ultrasound, which stage of development is the fetus in?

Anybody who knows ap biology, can you friend or message me

Describe the response the kidneys have to dehydration and excessive water intake. what happens to the concentration of urine in each case ?

Some mining processes involve removal of large areas of earths surface in the mined region this practice causes severe environmental damage by allowing which natural process to accelerate in the affected areas? a.precipitation b.erosion c.migration d.condensation