Which of the following is a disadvantage of the overuse of artificial fertilizers? a. excess carbon causes plants to die. b. excess nitrogen causes algal blooms. c. excess nitrogen causes plants to die. d. excess carbon causes algal blooms.

C. Excess nitrogen causes plants to die.

Explanation:

Nitrogen is the element which is commonly found in the fertilizers. It is the most important ingredient required for the growth of the plants. Nitrogen in excess amounts in the soil will lead to the loss of certain plant species. It may result in the depletion of the nutrients of the soil, increase in salt content of the soil which may cause dehydration in plants hence results in decline in the distribution of plants.

cells use diffusion to get substances in and out of themselves. that diffusion will occur across the cell membrane or the outer covering of the cell. because we are talking about the surface of the cell, surface area and volume are  important factors here. as a cell increases in size, its surface area and volume increase as well.  we call that the surface area to volume ratio (sa: vol).  but the catch is that  volume increases at a greater rate than surface  area. in other words, as a cell gets bigger, the sa: vol gets smaller. so a really small cell like bacteria is mostly cell membrane (surface) with very little contents (volume). a really big cell like an egg, is mostly insides with a super thin membrane. so what ends up happening is that the cell cannot efficiently diffuse all of the stuff it needs in/out to survive. therefore cell size is limited to about 100mm. so how do we make organisms bigger than 100mm? cells divide! by dividing and becoming multicellular, organisms are able to grow!   check out the diagrams i attached to see the effect of sa: vol. i hope this ! good luck!