Which of the following is a cause of soil compaction?

a. an increase in the amount of organic matter

b. the use of equipment on dry soil

c. the use of heavy equipment

d. all of the above

Earth's atmosphere contains only small amounts of carbon dioxide because: chemical reactions with other gases destroyed the carbon dioxide and replaced it with the nitrogen that is in the atmosphere now.

Will chromium metal dissolve in 10 M hydrochloric acid? a) yes b) no c) impossible to tell

How much energy is required to convert 15.0 g of ice at - 106 °C to water vapor at 125 °C? Specific heats are 2.09 J/g K for both ice and water vapor, and 4.18 J/g K for liquid water. Heats of vaporization and fusion are 2.260 kJ/g and 0.

How do farmers work to prevent wind erosion of topsoil

A solution is made by dissolving 85.0 mL of sodium fluoride to water until the final volume is 350.0 mL. Identify the solute in this solution. A. Sodium flouride B. Water C. Sodium fluoride and water D. Unable to determine

Nitrogen molecules rest with oxygen molecules. Nitrogen monoxide molecules are made. N2 + O2 → 2NO Nitrogen molecules and oxygen molecules react extremely slowly, even at 200°C.

What is the name of an object containing both elements #29 and 30 with element #30 in the center surrounded by element #29?

Check every statement about the use of energy by living things that is true. Plants perform chemical reactions that require energy. Animals can use energy from the sun to produce their own food. Plants receive their energy from water in the soil.

Type of bond between na+1 ion and Cl-1 ion is ion

Does a liquid release energy or absorb energy when it changes into a gas? into a solid?