Help pls
can you pls help me with it?

Talking listening and reacting non verbally are all part of communicating

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?

Do plant cells perform cellular respiration?