How is stratospheric ozone created? Ozone is formed in when sulfur and nitrogen oxides combine with water in the atmosphere.

Ozone created from NOx and VOC gases rise from low altitudes into the stratosphere and form the ozone layer.

Radiant energy from the sun breaks apart oxygen molecules freeing single oxygen atoms that recombine into ozone.

When ultraviolet radiation passes through a depleted ozone layer it acts on oxygen at ground levels creating ozone.

Long term exposure to waves can cause sunburns and skin cancer.

Which of the following statements is correct in hour our immune system responds to a potential pathogen? a. the adapted immune system will call on the innate immune system to destroy the pathogen. b. b cells will start reading the antigen code immediately and call t cells to assist in destroying the pathogen. c. the skin will be the first line of defense, and then the many phagocytes in the bloodstream will attempt to consume the possible pathogen. d. the t-cells in the adapted immune systems are the first to recognize the pathogen vaccines are weakened forms of disease causing microorganisms, which are given to patients to prevent disease. after the vaccine is administered, the immune system responds by creating a(n) to recognize the a. antigen, antibody b. antibody, antigen c. antibody, antibiotic d. antibiotic, antibody

On his trip to the galapagos islands, darwin determined that animals on the islands