Sediments in sedimentary rocks are often a held together with natural cements b formed when lava erupts from a volcano c formed by magma trapped below earth's surface d formed when atoms of melted minerals rearrange themselves

Compare and contrast nutrient limitation in soil vs. nutrient limitation in aquatic ecosystems

There is a liquid capsule inside a cup full of liquid. the cup full of liquid has salt in it and the liquid capsule has no salt in it. in which direction will the solvent flow? a. the salt does not have to move b. from the capsule to the larger cup c. equally between the capsule and the cup d. from the larger cup to the capsule

What characteristic makes a cell membrane selectively permeable