________ ozone is harmful, damaging plants and human health while ozone at the ________ level screens out mutagenic ultraviolet radiation.
A. Thermospheric; mesosphere
B. Stratospheric; mesosphere
C. Tropospheric; stratosphere
D. Stratospheric; troposphere
E. Mesospheric; thermosphere
Answer: C
You might also like to view...
The earth's atmosphere receives ________ of the sun's total energy output
a. about 25% b. about 50% c. a very small fraction d. about 80%
What type of metamorphism is commonly associated with mountain building at convergent plate boundaries?
A. regional B. hydrothermal C. slow D. contact E. shock
The organelles that build proteins in cells are called
A) mitochondria. B) ribosomes. C) Golgi apparatuses. D) lysosomes.
Extensive _____ were deposited as the Tippecanoe Sea gradually regressed from the North American craton during the late Silurian
A)sandstones B)shales C)volcanic rocks D)evaporites E)limestones