Identify the characteristic that allows the cell membrane to regulate which substances enter and exit the cell. nonpolar selectively fluid selectively permeable flexible

Which osmotic and ionic strategies must marine teleost fishes employ?

Can someone me with this and tell me what’s fracking and what does it have to do with carbon, carbon dioxide, or fossil fuels?

Which set of characteristics best describes sedimentary rock? a) largest type of rock, made of organic matter, hardest type of rock b) often contains layers, forms near sources of water, contains fossils c) least abundant type of rock, made of other rocks, made mostly of minerals d) most abundant type in earth's crust, made of magma/lava, contains no fossils