Like surface water and groundwater, glaciers shape the land through erosion and deposition. fill in the blanks to complete each statement about glaciers. glaciers cause erosion by abrasion and . the sediment deposited by glaciers is called . when a chunk of ice left behind by a receding glacier melts, the water stays in the kettle, forming a .

1. environmental factors, such as ph and temperature, can affect the function of an enzyme. a. true b. false 2. which of the following is an organic molecules (ex. vitamins) that an enzyme? a. coenzyme b. product c. active site d. substrate 3. how do enzymes effect the speed of a chemical reaction? a. they speed it up b. they slow it down c. they have no effect on the speed of a reaction 4. during a chemical reaction, an enzyme is used up so that it can only be used one time. a. true b. false 5. which of the following results from a chemical reaction that is catalyzed by an enzymes? a. active site b. product c. substrate d. coenzyme

The bacteria inside a tube worm would be analogous to what organism in the ocean ecosystem near the waters surface? a. photosynthetic algae b. shrimp c. clown fish d. parasitic lamprey

If a checkpoint detects damaged dna, the checkpoint may