Answer:
Increasing soil protection by crop residues and plants; adding organic matter to the soil through crop rotations, manures, or crop residues; and careful management of fertilizers, pesticides, tillage equipment, and other elements of the farming system can improve soil quality.
So air, like most other substances, expands when heated and contracts when cooled. Because there is more space between the molecules, the air is less dense than the surrounding matter and the hot air floats upward.
Answer:
A horizontal row in the periodic table, which signifies the totoal number of electron shells in an element's atom.
Explanation:
Hope this helpss)):
Answer:
pretty sure its Scientific laws are statements about observed experimental facts, while theories are explanations of natural phenomena.
Answer:
Rock
Explanation:
A rock is a solid mixture of one or more minerals and organic matter. Rock is often defined as an aggregate of minerals.
Minerals are solids that are made up of inorganic materials with a definite composition and a well ordered arrangement.
- Rocks are usually classified based on their mode of formation.
- They are often grouped as igneous, metamorphic and sedimentary.