Which structure of the excretory system in humans is responsible for converting ammonia into urea?
a. lungs
b. liver
c. skin
d. kidneys

The shift of a vehicle's weight around its center of gravity is known as

It is believed that europa, one of jupiter’s moons has an ocean beneath its surface. based on how earth’s oceans and atmosphere are believed to have formed, what can be said about europa’s supposed ocean? the arrival of in the early days of europa’s existence could have formed its ocean. it is likely that the water experienced , similar to earth. it is also possible that this water is retained beneath europa’s surface and in its atmosphere due to europa’s .

What are the three types of counseling established by marine corps policy?