Huge loops or sheets of gas erupting from active regions around sunspots. these features arch into the sun's atmosphere and connect pairs of sunspots.

layer a is the exosphere and layer b is the thermosphere.   is the answer i think but i hope this .

the answer is 3.1 his answer is wrong mines is right

the skeletons of most mammals reach a certain size and then stop growing. however, many animals, including some mammals, keep growing throughout their lives. kangaroos, for example, just keep growing and growing until they die. also, the longer an animal lives the greater the chance it might catch some deadly disease.