As new technology is developed, theories are studied in new ways. Which best describes what happens to the theory?
It becomes a hypothesis.
It becomes a law.
It becomes a fact.
It changes over time.

Which is not a likely outcome after extensive irrigation of dry farmland? useless, unproductive soil salinization of the soil depletion of groundwater nutrient-rich soil

Moving down the ramp from 6 meters to

How do the sperm cells get from the stigma to the ovules? a. they slide down the petals to the bottom of the flower. b. they travel through pollen tubes. c. they travel along filaments. d. insects carry the sperm cells from the stigma to the ovules.