Select the correct answer. How does ozone in the stratosphere help organisms living on Earth's surface?
A. Ozone in the stratosphere absorbs the Sun's heat and keeps Earth's surface from getting too cold.
B. Ozone in the stratosphere keeps harmful ultraviolet radiation from the sun from reaching earths surface.
C.
Ozone in the stratosphere keeps harmful ultraviolet radiation from the Sun from reaching Earth's surface.
Ozone in the stratosphere reduces the pull of Earth's gravity and keeps the air pressure on Earth's surface from getting too
high
OD
Ozone in the stratosphere reacts with hydrogen to form water vapor that falls as precipitation on Earth's surface.

his research revealed two genetically different groups of prokaryotes, which justified splitting kingdom monera into two kingdoms. the genetic and cellular differences were so great, that these two kingdoms were eventually placed into different domains in the current three-domain system.

the truman doctrine was an american foreign policy whose stated purpose was to counter soviet geopolitical expansion during the cold war. it was announced to congress by president harry s. truman on march 12, 1947, and further developed on july 12, 1948, when he pledged to contain threats to greece and turkey.

photosynthesis makes the glucose that is used in cellular respiration to make atp. the glucose is then turned back into carbon dioxide, which is used in photosynthesis. while water is broken down to form oxygen during photosynthesis, in cellular respiration oxygen is combined with hydrogen to form water.