Question

Overgrowth of algae which produces toxins can be caused by

the water's temperature dropping quickly
too much oxygen in the water
not enough nitrogen in the water
nitrogen runoff from the use of fertilizers near the water

Answer 1

any answers?

Answer 2

I would say D

Answer 3

ok i thought it was that but was not sure thank you

Answer 4

one more

Answer 5

All of the following statements about urbanization are true EXCEPT

Temperatures in cities are higher than temperatures in less urban areas.
Large urban areas create more pollution than less urban areas.
Wildlife becomes more scarce as an area becomes more urbanized.
Urbanization is always good for the environment.

Answer 6

too much of oxygen

Answer 7

and for second question last option

Answer 8

Urbanization = the transfer of rural to urban areas, taking away wildlife communities

Answer 9

ok thx both of you

Answer 10

anytime. :)