The half life of uranium is 700 million years. a creature passed away and had 15 mg of uranium in it at the time of death. when this creature was dug up by a paleontologist, there was 3.25 mg of uranium left. approximately how long did this creature die? (show your calculations)

In the african savanna, more wildebeests are born than the environment can support. which is most likely to happen over a period of years as a result

What is the role of the phospholipid belayer in cellular transport in living cells

Amale bird-of-paradise uses a dance to attract mates in which it flaps its tail feathers on the ground and jumps around a potential female mate. a different male bird-of-paradise does a similar dance but it jumps around the female in the opposite direction. the female bird is only attracted to one style of dance, in one direction.