The sodium-potassium pump provides an example of
A) diffusion.
B) facilitated diffusion.
C) active transport.
D) endocytosis.
C
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Which of the following is not true of chlorofluorocarbons?
A) CFCs role in depleting ozone has yet to be confirmed. B) They are used to make foam products. C) They have been used as propellants in spray cans. D) CFCs are stable under conditions at Earth's surface. E) They are used in refrigeration systems.
From the environmental perspective, it will help to stabilize population growth in developing countries as soon as possible because
a. Poverty has numerous harmful health and environmental effects. b. Poverty has been identified as one of the four major causes of the environmental problems we face. c. Polluting activities and lifestyles are much more prevalent in developing countries. d. All of these answers e. Poverty has numerous harmful health and environmental effects and has been identified as one of the four major causes of the environmental problems we face.
The legally binding international agreement to reduce greenhouse gas emissions is known as the
A) ICRW. B) Kyoto Protocol. C) CITES. D) Montreal Protocol.
Basalt is the fine-grained equivalent of gabbro
Indicate whether the statement is true or false