Which one of the following activities is part of the second level of the myactivity pyramid? a. jogging b. biking c. yoga d. household chores

In this model, what do p, s, and a bases represent?

Which of the following could use reverse transcriptase to transcribe its genome? a) ssrnab) dsrnac) ssdnad) dsdna

Scientists believe that differences in cause hot, plastic-like rock in the asthenosphere to rise toward earth's surface. a. density c. weight b. magnetism d. composition select the best answer from the choices provided