Which piece of evidence from the passage supports the theory that humans may not have been responsible for the extinction of the woolly mammoth? a. discovery of sites of mass mammoth kills a. discovery of sites of mass mammoth kills b. a land bridge that connected asia to north america b. a land bridge that connected asia to north america c. discovery of traces of ancient mammoth dna in alaska dating to 10,500 years ago c. discovery of traces of ancient mammoth dna in alaska dating to 10,500 years ago d. carbon dating that indicates the mammoths died between 13,000 and 15,000 years ago d. carbon dating that indicates the mammoths died between 13,000 and 15,000 years ago

explanation:

on disadvantage of hydroelectric power is the cost. another disadvantage of using hydroelectric power is finding a water source powerful enough to harvest hydroelectric power.

as the gila monster consumes the eggs or young of the desert cottontail and gambel's quail, thus its main food supply is only accessible for a restricted time duration every year. however, for this, the gila monsters exhibit three adaptations, which elevate their survival rate in the desert condition.  

first, is that they possess huge bodies, and can consume greater concentrations of food during a small period. secondly, they require to feed infrequently as they can accumulate fat in their tails. ultimately, their rate of metabolism is very low, so that they can burn their reservoirs of fat gradually.