What does direction of force mean?

Can you think of a way a rock unit with an older fossil could be above a rock until with a younger fossil? describe the scenario.

Which are advantages of renewable resources? check all that apply. renewable energy supplies are completely reliable everywhere. some renewable resources will never be used up. little or no waste is produced by renewable resource plants. electricity can be generated in large quantities. many renewable energy facilities have lower operating costs.

4. if you were an astronaut on the moon, what would you experience? what would you see from your perspective?