How does the use of a pH meter help monitor the hydrosphere? A. by indicating whether microorganisms are living in the water

B. by indicating if there is too much sediment in the water

C. by indicating whether the water is too acidic or basic

D. by indicating if there is enough dissolved oxygen in the water

Aprocess in green plants that involves the use of carbon dioxide and water in the production of glucose and oxygen using the suns energy

Paint and solvents pose no potential hazard to human health. select the best answer from the choices provided t f

Refer to this portion of a dichotomous key for fish identification to answer the question. 1. (a) has a single dorsal fin ® 5 (b) has a double dorsal fin ® 2 2. (a) one fin is spiny, the other is smooth ® 3 (b) one fin is not spiny or smooth ® 4 5. (a) has small fin on back near tail ® 6 (b) has no fin on back near tail ® 7 6. (a) has barbs near the mouth ® catfish (b) does not have barbs near the mouth ® 10 7. (a) tail is asymmetrical ® 8 (b) tail is symmetrical ® 9 10. (a) scales are small ® trout (b) scales are large ® whitefish what is the next step to complete to identify a fish that has a single dorsal fin, no fin on the back near the tail, and no barbs near the mouth? step 2 step 5 step 7 step 10