1.the atmospheric gas that forms a mild acid when dissolved in water is carbon dioxide
oxygen
aluminum
sulfur

2. what would cause the inscription on a marble gravestone to become harder and harder to read over time?
frost wedging
mechanical weathering
exfoliation
chemical weathering

3. which of the following is not a factor that affects the rate of weathering in rocks?

biological evolution
climate
rock characteristics
amount of exposed surface area

if the concentration of products is decreased, the equilibrium will shift toward the products). add an inert gas (one that is not involved in the reaction) to the constant-volume reaction mixture: this will increase the total pressure of the system, but will have no effect on the equilibrium condition.

explanation:

the major pests we deal with are insects, weeds and fungal diseases. a pesticide is a product, whether organic or chemical, used to kill the target pest. there are other techniques gardeners should use that can prevent the severe infestations that make the use of pesticides necessary