Match each process to where it occurs in the carbon cycle..I think it right but ...

Select the correct answer. which scenario describes unethical lab behavior? o a. danny stores the chemicals required for his experiment in flasks and beakers. b.anna publishes the results of her experiment on the growth rate of saplings. c.jason repeatedly runs an experiment until he gets the results he desires. d. mia records her observations of an experiment precisely and accurately.

Which best describes a benefit of using dna technology in medicine? a) medicine can be produced in mass quantities. b) medicine can be distributed at a reduced cost. c) medicines have fewer side effects. d) medicines are resistant to antibiotics.

Ihave no idea how to solve these. plus there's another question that is 2) a 10 kilogram meteorite is collected in space and brought back to earth. it is composed of 1.25 kg of uranium-238 and 8.75 kg of lead-206. how many u-238 half lives have passed? what is the approximate age of the meteorite?