Much like a cell, a virus is able to a. grow and develop b. change over time c. obtain and use energy d. respond to its environment

What is the next step in muscle contraction after the actin changes shape? (apex)

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?

Kudzu vines grow by climbing and wrapping around trees. trees covered by kudzu can die because they are starved of sunlight. what type of relationship exists between the trees and the kudzu growing on them?