Which blood vessel contains valves? A renal artery
B renal vein
Carteriole
D capillary

Which of these is not a nucleotide base found in dna?

Analyze how the water cycle affects a food web. now list 3 examples for each below using complete sentences, on how too much water would affect the same web? how about to little water?

Both destructive and constructive, the natural event seen here, is important in destroying and creating landforms on earth. what is this event called? a) deposition b) flooding c) landslide d) sedimentation