(A) hydrochloric acid (B) water
(C) carbon dioxide (D) carbonic acid
(A) 7.0 (B) 3.0 (C) 8.2 (D) 5.5
(A) Rock (B) Clay (C) Minerals (D) Regolith
(A)contains pesticides that kill insects
(B) is a natural fertilizer
(C) adds artificial fertilizers that help plants grow
(D) breaks rock down into additional soil
(A) chemical composition of the exposed rock
(B) surface area of the exposed rock
(D) all of these
(A) Desert ground cannot absorb any water.
(B) Streams overflow easily.
(C) Temperatures are very high.
(D) There is a lack of vegetation to hold the soil in place.
(A) causing salinization
(B) adding greenhouse gases to the environment
(C) increasing soil erosion
(D) depleting the world’s ozone
(A) losses (B) additions
(C) transformations (D) translocations
(A) the formation of soil horizon distinctions because of the effects of rain, snow, freezing temperatures, heat, atmospheric pressure, and other weather-related conditions
(B) the joining of basic elements in the earth's crust to form the minerals found in igneous rocks
(C) their physical breakup into smaller particles and their chemical alteration into dissolved ions and new types of minerals
(D) all of these are correct
(A) mechanical weathering
(C) chemical weathering