Gases from burning coal and oil dissolving in water in the atmosphere causes acid rain, and an acid is defined as a compound which can donate a proton . Given these facts, what comes from burning coal and oil dissolving in water in the atmosphere among the following options: - Plant growth is reduced - A transportation fuel - Generating heat - harmful substances - DNA damage and mutations - A compound that donates proton - ozone depletion - Mutagenic chemicals
A compound that donates proton

Operating an automobile usually requires fossil fuels, and fossil fuels are a finite resource. Given these facts, what powers most automobiles? among the following options: - Sunlight. - A finite resource. - Natural gas. - an engine - energy of moving objects - Water - a hydraulic system - transportation technology
A finite resource.

Q: Mutations that lead to cancer usually occur in genes that control the cell cycle, and mutations in genes that control the cell cycle are found in virtually all cancer cells. Given these facts, where are mutations found among the following options: - alleles - fossils - retina - skin - embryos - ovaries - genes - eggs
A: genes

Question: Precipitation falls on the windward side of the mountain range, and for example, the windward side of a peninsula is the windiest side. Given these facts, the windiest side of a mountainous peninsula also has the most of what among the following options: - mountain - peninsula - precipitation - body water - heat energy - rainfall - windward - kinetic energy
Answer: precipitation

*Question*
Courtship is behavior that is intended to attract a mate, and assortative mating is the mating of individuals that are phenotypically similar. Given these facts, what is the behavior of attracting something that is phenotypically similar to the seeker called among the following options: - an object - stalking - jealousy - nonverbal communication - ducks - animals - orchids - courtship
**Answer**
courtship

(Q).
Moss causes chemical weathering, and chemical weathering is the chemical disintigration of rocks. Given these facts, what can cause the chemical disintigration of rocks among the following options: - Moss - sodium - wind - oil - rivers - mines - soils - fire
(A).
Moss