I would say D...just because of the greenhouse effect
Answer:
Planet diameter = 2p × (distance to the planet) × (planet's angular size in degrees)/360°. Planet volume = (p/6) × (planet diameter)3. Density = mass/volume.
Explanation:
Its ethier loose soil or dense vegetation but i have a feeling its loose soil.
Alternative energy sources are those that do not deplete natural resources and do not harm the environment.
Options A, B, and C are all fossil fuels, which we know can be depleted and harm the environment.
The only valid option here is D, Geothermal energy.
Geothermal energy is both renewable and environmentally friendly.