Which of these has been controlled in an attempt to reduce the depletion of ozone in earth’s atmosphere?
methods of filtering gasoline
use of chlorofluorocarbons (cfcs)
use of mercury (hg) compounds
methods of radioactive waste storage

Which type of neuroglia is found outside of the brain?

What can be found in every skeletal muscle? a. nerves, bones, cartilage, and connective tissue b. tendons, cartilage, nerves, and blood vessels c. muscle fibers, nerves, connective tissue, and blood vessels d. tendons, nerves, blood vessels, and bones

What type of competition exsist between two species. turtles and fish