Author Question: Marine animals rely on coastal wetlands, mangrove swamps and rivers for spawning grounds, A) but ... (Read 93 times)

awywial · **on:** Jul 14, 2018

Marine animals rely on coastal wetlands, mangrove swamps and rivers for spawning grounds,

A) but in recent years these animals have found other spawning grounds.
B) but human intervention has provided artificial spawning grounds.
C) but these only constitute a small percentage of marine animals.
D) but these are being destroyed by pollution and over development.

Question 2

Depletion of atmospheric ozone has increased ultraviolet radiation which is responsible for a ________ decrease in plankton.

A) 10
B) 20
C) 30
D) 40