Question

The highest levels of net productivity found in the ocean are found in the coastal zone. Which of the following factors are responsible for this?
I. High light levels
II. High nutrient levels
III. Coldest water temperatures


(Points : 2)
I only
II only
I and III only
I and II only
I, II, III

Answer 1

@mathmath333

Answer 2

@cwrw238

Answer 3

plants need light to grow up

and light is sufficient in coastal area than in the middle of sea

Answer 4

I think its 1 and 2

Answer 5

iii is not the option

Answer 6

i know, i think its 1 and 2 only

Answer 7

yes i should be i and ii only , but not sure