For 30 points answer it fast a student constructs a venn diagram to compare the organelles in plant and animal cells. venn diagram of plant and animal cells which organelle should be listed under “both” in the diagram? a. centriole b. mitochondrion c. chloroplast d. cell wall

Which of the following does not describe a physical property of iron? a iron is silvery-white or gray in color. b iron has a boiling point of about 3,000°c. c iron is a magnetic element . d iron and sulfur react to form iron sulfide.

Why did adult crab numbers decline in he ecosystem, even though sea stars were still available?

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?