Which of these is an abiotic factor of an aquarium ecosystem?

a. algae growing on glass
b. gravel on the bottom of the aquarium
c. plants growing from the gravel
d. fish swimming in the water

Which part of the cell is affected by the movement of molecules through diffusion, osmosis and active transport?

A60-tooth gear is connected to a 72-tooth gear.if the smaller gear turns 12 times,how many turns does the larger gear make?

First idea: suddenly, women were leaving their homes to cycle and socialize on country roads and city streets. —wheels of change, sue macy second idea: it was not a stretch for some cyclists to see the possibility of a larger role for women in the world. —wheels of change, sue macy what type of graphic organizer would best represent the connection between these two ideas? 1) a t-chart that separates ideas into two different categories 2) a chronology that shows 3) a sequence of several events a cause-and-effect graphic that shows how one idea led to another 4)a problem-solution graphic that presents a problem and a solution to the problem