Answer:
Public Law 97-424, enacted in 1983, placed a 2-year prohibition on ocean dumping of any low-level radioactive waste. Public Law 100-688 terminated the dumping of sewage sludge and waste from industrial companies (commencing with the 270th day after November 18, 1988) under certain conditions.
Explanation:
I believe the answer is a. thick layer of blubber
Mammal is an warm-blooded animal that need to keep their body warm. Organ that could insulate the heat would be beneficial to keep the temperature, like layer of fat or thick fur. The example of marine mammals would be dolphin, whale, sea lion and polar bear. Thick fur will not give much benefit for mammals in water, so only polar bear have thick fur. But all of them has thick layer of blubber, so option A will be the most appropriate.
There would be two daughter cells after one round of meiosis and they would be diploid (2n) as meiosis splits everything in half
I believe the answer in the blank should be protostar
Answer:
Pangea existed between about 299 million years ago (at the start of the Permian Period of geological time) to about 180 million years ago (during the Jurassic Period).
Explanation:
