lichens are usually the first organisms to appear in barren, rocky areas the soil shows in time 2 was formed mainly by

Which is the best example of plant tissue? the answer is d (just took the test)

Which statement about relative potential energy of electrons is correct? a. an electron in the 2 p orbital of the second electron shell has more potential energy than an electron in the 2 s orbital of the second electron shell. b. an electron in the 2 p orbital of the second electron shell has more potential energy than an electron in the 3 p orbital of the third electron shell. c. an electron in the 3 p orbital of the third electron shell has more potential energy than an electron in the 2 p orbital of the second electron shell.

How do specific cell structures and organelles contribute to maintaining homeostasis in the cell?