Trophic pyramid, also called an energy pyramid, showing the progression of food energy. The pyramid base contains producers, organisms that make their own food from inorganic substances. ... Thus, the higher the trophic level on the pyramid, the lower the amount of available energy.
Answer:
The correct option is;
Sand, clay, and silt
Explanation:
The categorization of soil particles by size can be made into three classes including sand (particle size between 0.05 mm to 2 mm), silt, (particle sizes between 0.002 mm to 0.05 mm) and clay (particle sizes lesser than 0.002 mm), larger particles such as stones, pebbles, boulders and rock other fragments are left out of the textural classification because of their inertness
The combination of the three particle sizes can be found in most soils and their relative proportion defines the texture of a given sample of soil.
Sources of heat from inside earth is radioactive decay and residual heat.
Answer:
An iron rod used for beating down the earthy substance in tamping for blasting.
