Answer:B
Explanation:
The circulatory system is made up of blood vessels that carry blood away from and towards the heart. Arteries carry blood away from the heart and veins carry blood back to the heart. The circulatory system carries oxygen, nutrients, and hormones to cells, and removes waste products, like carbon dioxide.
Answer:Coming from a floridian, I would say d
Explanation:
Answer: enzymes change the Keq for chemical reactions.
Explanation: many enzymes change shape slightly when substrate binds. reactions occur at the "active site" of enzymes, where a precise 3D orientation of amino acids is an important feature of catalysis.
Answer: Groundwater.
Explanation:
Groundwater is water that occurs below the Earth's surface at depths where all the pore (open) spaces in the soil, sediment , or rock …
