It requires integral proteins in the cell membrane B. It requires an expenditure of energy by the cell C. It is a passive process in which molecules move from a region of higher concentration to a region of lower concentration D. It is an active process in which molecules move from a region of lower concentration to one of higher concentration

I’m stuck on this question cuz i’m stupid sksksksk

Plz quick a natural resource that is replaceable through a cycle in nature or sustainable practice is called a? the subject is science

How do you think earths interior affects what is happening on the surface? 2. how do fossils support the continental drift hypothesis? 3. how does sea- floor spreading support the hypothesis of continental drift? 4.what do scientists observe when they studied the magnetic fields of rocks on the sides of mid-ocean ridges? 5. what is a tectonic plate ? 6. explain mantle convection 7.how can movements of the continents affect earths climate? 8. what occurs during drifting?