All of the answer options are mechanisms by which viruses enter plants, except for Choose one: A. entry through seeds. B. contact with damaged tissues. C. specific host cell receptors. D. transmission by an insect vector.

1) what three conditions must be present for minerals to form through natural processes? 2) why are minerals considered inorganic substances? 3) how do oxides differ from other minerals that contain oxygen atoms? 4) how is a sulfide different from a sulfate? what makes native elements unique?