Ozone depletion would cause more UV rays to pass through so your answer would be B)
Pollution causes B)
To reproduce (asexually). Most unicellular organisms only live for mere hours. The best bet for the species to survive and thrive as a whole is for them to reproduce, or replicate.
Answer:
d
Explanation:
With gases they escape into the atmosphere so u cant move it around withoulosing some. With liquids sometimes they get spilled or little bit gets left at the bottom of the original container
Answer:
movement
Explanation:
the movement depends on the temp.
Ans.
Cell-to-cell communication allows signalling of essential substances between the plant cells, which are surrounded by cell walls. The molecules used by plants for long-distance signalling are known as hormones, such as auxin, ethylene, and gibberelin.
These hormones are secreted by one plant cell and received by another plant cell, where it exerts it affect. Thus, the correct answer to be fill in the blank is 'option A). hormones.'