One hypothesis about the extinction of dinosaurs is that a meteor hit the earth causing an explosion so powerful that blocked out the sun. consider the model above and explain why would this have caused a mass extinction

Buuy which of the following did you include in your response? organs perform specific functions in the body to keep it alive. organelles perform specific functions in cells to keep them alive. done

Which scientific design has both practical limitations and limitations due to scale? studying the effect of bleach on the growth of mold spores exposing cultures of duckweed to different intensities of light observing the replication of dna molecules with a hand lens using colored marbles to model a cross between two colors of rabbits

What do your cells need to live? a. carbon dioxide b. carbon c. air d. oxygen