Research in which of these areas has the greatest impact on the environment?

developing larger, sweeter strawberries

organic fertilizers

irradiating food

bacteria to clean up oil spills

In addition to seeds, which of the following characteristics are unique to the seed-producing plants? a) sporopollenin b) lignin present in cell walls c) pollen d) use of air currents as a dispersal agent e) megaphylls

Which are reasons cells undergo cell division?

What methods do scientists use to predict volcanic eruptions? select all that apply