Explain why 30 degrees north and south latitudes generally lack a lot of precipitation, while 60 degrees north and south latitudes experience heavy precipitation. Use a diagram to help you explain the concept.

Which of these substances does not protect against invaders in the nonspecific immune response? a. saliva b. mucus c. tears d. urine

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

Which is the best example of plant tissue? the answer is d (just took the test)