The removal of which tropic level of the food chain would have the biggest effect on the ecosystem? a) crabs b) fish c) whales d) plankton (i think it’s plankton)

Air pollution is only caused by human activity, select the best answer from the choices provided ot of true or false

If the dimensions of a cube-shaped cell with a length,height, and width of 1 micrometer were to double, what would be the cell's new ratio of surface area to volume? a.3 to 1 b.4 to 3 c.1 to 2 d1 to 6

Explain why scientists use the word dominant for certain traits.