a substrate binds to an enzyme at the active site, where the reaction occurs.
Abiotic factors in common ecosystems:
1: Bats are interesting creatures, and use echolocation to make food
2: The cave walls help spread the voices of the bats
3: They have to use echolocation to breathe
Biotic factors:
1: Some good roles for bats are predators
2: They effect the system of computers when they bite computer chips
3: They complex human system life<span />
C because oxygen was a byproduct of photosynthesis and proved to be EXTREMELY important in the atmosphere.
Answer: It would probably be A.
Explanation: Abrasion means scraping or wearing away. Therefore the correct sample is probably going to look smaller, smoother, and more even from all the scraping of the river currents.
Hope that helps!
