HELP!!/ Why are fossil fuels considered nonrenewable resources? A. They create pollution and people have to clean it up. B. They are found underground and must be processed. C. They cannot be found in nature and have to be made. D. They cannot be replaced as fast as they are being used

Answer asap 50 points which of the following distinguishes the soil composition of grassland? 1. the soil supports large trees with thick, long roots, so horizon b needs to be deep enough to sustain larger flora. 2. the soil supports large trees with thick, long roots, so horizon a needs to be deep enough to sustain larger flora. 3. the soil supports small plants and shrubs with short roots, so horizon a needs to be deep enough to sustain smaller flora. 4. the soil supports small plants and shrubs with short roots, so horizon b needs to be deep enough to sustain smaller flora.