Which statement about plant classification below is true?
A. All vascular plants are angiosperms, but not all nonvascular plants are mosses.
B. Not all nonvascular plants bear seeds, but all vascular plants do bear seeds.
C. No nonvascular plants bear seeds, but not all vascular plants bear seeds.
D. Not all angiosperms produce flowers, but all gymnosperms produce cones.

the index of refraction of the second medium is higher. i just took the test trust me !

unicellular organisms, like bacteria, are able to perform all life functions within one single cell. multicellular organisms need many different types of cells to carry out the same life processes. each of these special types of cells has a different structure that it perform a specific function.

idk let me see fdfdgdg

(nitrogen fixation) will be your answer sorry if im wrong