Fact 1: Erosion of soil has a negative impact on the environment. Fact 2: Soil Erosion Soil erosion is a natural process. Given the two facts above, answer the question "What kind of process can have a negative impact on an environment?" with the following options: - coal - natural - Pesticides - flooding - cigarettes - Smoking - Cars - burning
natural

Fact 1: Heavy rains cause flooding. Fact 2: Hurricane rains can cause landslides and flash floods. Given the two facts above, answer the question "what is caused by flooding?" with the following options: - landslides - desert - sunlight - drought - Water expanding - erosion - contamination - Pollution
landslides

Fact 1: If two balanced forces act on an object in opposite directions then that object will remain stationary. Fact 2: Gravity creates force and energy. Given the two facts above, answer the question "What can cause an object to remain stationary?" with the following options: - travel - microscope - running - wind - sweating - cold air - gravity - motion
gravity