Which is a form of active transport? a. proteins create openings on another side of the cell membranes. b. proteins open up channels in the cell membrane (it's not this one! ) c. proteins enter and exit the cell freely. d. proteins push molecules through the cell's membrane.

Texas has an impending storm, and california is experiencing a water crisis. match the technologies with the state that can use them to reduce the effects eddies natural hazards. texas is the storm cellar and the wood that is crisscrossed. california is the dam and the storage tanks

How energy move through ecosystem ?

9. technology can bring both good and bad things. building a vertical farm can increase food supplies in cities (good), but it may cause unemployment in rural areas (bad). give another example of both the good and bad sides of a technological advancement (5 noints)