Which would increase the amount of dissolved oxygen in a pond? a. removing plants. b. removing fish. c. adding plants. d. both b and c are correct.

Abullet found at a crime scene may be used as evidence in a trial if the percentage of metals match to the composition of metals in a bullet from the suspect's ammunition. a forensic scientist's analysis of the bullet shows that it contains 11.9 g of lead, 0.5 g of tin, and 0.8 b of antimony. what is the percentage of lead metal in the bullet? express your answers to the one's place.

What is the polyatamic ion of borate

Which statement best describes the function of enzymes?