3. An anticline is usually formed by the upfolding or arching of rock layers. A: True
B: False

The answer for your problem would be a. 7

Bdef the answer rn t

When a lake, river or other aquatic  system  becomes  eutrophic, it can have serious negative effects on other organisms like fish, birds and even people.if an algal bloom is so bad that it causes wide-spread death  in  the  water, the organisms that die will all sink to the bottom and start to decompose.

The saharan africa is desert not forest