50 cm of soil was found to contain 10 cm3
of air. What is the percentage
of air in the soil?

What type of genetic drift would be simulated if all the beans that were not selected died out?

In which situations is the principle of cross-cutting relationship useful in determining relative age?

Which type of scientific statement is defined as a hypothesis or group of hypotheses that can be accepted as true based on the repeated experimentation with similar results