Watch the A&P Flix Membrane Transport video and complete the activities.
Substances can move across the plasma membrane in two different ways—actively or passively. This activity will help you determine whether transport mechanisms actively or passively move substances across the membrane.

4

answer by yourhope:

answer is

human impact on the environment can be seen in the deterioration of the !

: )

multiplying and dividing the two decimals and the eqations by the same number of the overalls

igneous rocks which formed by the crystallization of magma at the surface of the earth called extrusive rocks. they are characterized by fine-grained textures because the rapid cooling at or near the surface did not provide enough time for large crystals to grow.