4. Which cell structure is correctly matched with its function? a. vacuole: stores material inside the cell
b. cell membrane: divides the cell into two halves
c. lysosome: manufactures proteins
d. ribosome: packages and modifies proteins

Which description provides the best objective summary of the article in the passage?

Which characteristics are typical of a human population in the postindustrial stage?

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?