Q: Fact 1: The looseness of soil increases the amount of oxygen in that soil. Fact 2: Oxygen in the soil is vital for healthy roots. Given the two facts above, healthy roots can be due to what aspect of soil?

Options:
[A]. less water
[B]. dryness
[C]. growth
[D]. climate
[E]. looseness
[F]. nutrients
[G]. roughness
[H]. compact
A:
[E].