Question

In an ecosystem, phosphate levels are usually low because:

phosphorous reacts with oxygen
animals use all the available phosphates
phosphorous is stored in the atmosphere
the weathering of rock is a slow process

Answer 1

these options arentt tha great

Answer 2

im thin either b or c it has to be one of those two answers

Answer 3

thinking*

Answer 4

yup B sounds the best outta them