Identify the true statement. Group of answer choices The Mercalli scale is no longer used because it has been replaced by modern measures of earthquake magnitude. Large earthquakes occur more frequently than small ones. An earthquake of magnitude 6 has 1,000 times the amplitude of a magnitude 3 quake. An earthquake of magnitude 6 has twice the amplitude of a magnitude 3 quake.

Which of the activities listed below could limit global warming by slowing the increase in atmospheric carbon dioxide levels? view available hint(s) select all that apply. a. replacing fossil fuels with nuclear energy b. burning vegetation to clear land for agriculture c. limiting soil erosion so organic matter takes longer to decompose d. choosing a fuel-efficient car, or bicycling to school or work e. using more electrical appliances and cars f. cutting down forests to build houses

What happens to rock when acid reacts with it?

The desert expands by hundreds of square miles each year.