What is the effect of a lack of nitrate ions on plant leaves? А All leaves turn very dark green.
B Leaves lose their yellow colour.
C The leaves wilt.
D Young leaves grow very slowly.

What does it mean for a cell membrane to be selectively permable

When elements that form a mineral dissolve in hot water, they form a mixture called a(n) a)geode b)vein c)evaporation d)crystallization e)magma f)lava g)solution h)gem

Ronald wants to see if a new shower cleaner works better in removing soap than his old cleaner. he uses the new cleaner on one half of the shower tiles and his old cleaner on the other half. identify the independent and dependent variables in this experiment. enter your answer in the space provided.