During facilitated diffusion, molecules pass through the cell membrane with the help of? - proteins,

- lipids,

- water

Use the drop-down menu to match the following definitions to the corresponding terms. the total variety of organisms that live in the biosphere a group of organisms that breed and produce offspring that can breed all of the biotic and abiotic factors in an area

Which box will not accelerate? 4 newtons 4 newtons 4 newtons 25 kg 4 newtons 15 newtons 10 kg 30 newtons 40 newtons 50 kg 30 newtons 30 newtons

There are fewer than 100 naturally occurring elements in the universe, but there are millions of different unified substances. explain how this can be true.