When geographers study human systems, they are finding out about peoples' culture. Please select the best answer from the choices provided.
Т
F
HELPPP

Seed plants that lived during the carboniferous impact life on earth today because a. they are the ancestors of all plant life on earth. b. their remains formed coal, which is an important resource. c. they produced fossils that are used to date many geologic events. d. their presence caused oxygen levels to drop, allowing animals to evolve.

There are 4 red balls, 6 white balls, and 3 green balls in a bag. if one ball is drawn from the bag at random, what is the probability that it is not white?

Which of the following insects is a decomposer? a. mosquito. b. caterpillar. c. beetle. d. none of the above.