Which explains why secondary succession generally occurs more rapidly in an area than does primary succession?
question 10 options:

average precipitation is higher.

moderate climatic conditions exist.

pioneer species are microscopic.

soil formation has already occurred.

How do you date a sample of rock that you suspect as being one of the earliest on earth

The large increase in atmospheric carbon dioxide in the last 50 years most likely comes from a. an increase in cellular respiration b. increased decomposition by bacteria c. an increase in the burning of fossil fuels d. an increase in photosynthesis

How have high taxes on tobacco products impacted the number of people who use them? a. the number of tobacco users has increased. b. the number of tobacco users has decreased. c. the number of tobacco users has not changed. d. the number of adolescent tobacco users decreased, while the number of adult users increased