Answer: C
Explanation: This happens because RNA becomes double stranded when two self complementary region of a single strand form a hairpin like structure...
This statement is false. There is no way to predict an earthquake accurately, nor do scientists ever believe there will be a way to.
Answer:
Black bears feeding niche is quite varied. A black bear eats all sorts of plants and plant material, nuts, all sorts of berries and meat. They have long sharp claws which help them rake the soil to find food and roots. Almost eighty percent of their diet consist of plant material while the rest is animal protein.
Explanation:
Answer:
Lystrosaurus was found on multiple continents and couldn't swim. So, it is likely that instead if the dinosaur swimming to other continents the continents instead split.