Most of the reflection in the Earth's atmosphere occurs in clouds because of light's interception with particles of liquid and frozen water. The regeneration of trees on an area of land where the vegetation was removed naturally or by the action of humans. These trees may grow from seeds stored in the soil or dispersed by mature trees surrounding the cut area or by the artificial planting of seeds or seedlings. Regolith Loose layer of rocky material overlying bedrock. The ratio between the actual amount of water vapor held in the atmosphere compared to the amount required for saturation.
Relative humidity is influence by temperature and atmospheric pressure .
Relief The range of topographic elevation within a specific area. The gathering of information from an object or surface without direct contact. Renewable Resource Resource that has the ability to renew itself under the right conditions. Renewable resources can be converted into nonrenewable resources when overexploited. Replacement-Level Fertility Number of children a couple must have to replace themselves.