Geography, 11.11.2019 02:31 glowbaby123
Which of the following destroys ozone molecules leading to more harmful ultraviolet (uv) rays reaching earth's surface?
a. cfcs
b. carbon dioxide
c. acid rain
d. smog
Answers: 3
Geography, 22.06.2019 21:00
Impressions of tropical swamp plants were observed on rocks in polar regions. the impressions were dark black imprints, which means the fossils are examples of ( 1 ) the fossils tell us that polar regions ( 2 ) ( 1 ) a. carbonization b. mineralization c. trace fossils ( 2 ) a. had tropical plants that can grow in ice b. might have had a diffierent climate in the past c. will have abundent vegitation
Answers: 1
Geography, 24.06.2019 02:30
Choose the false statement. a. some organisms fossilize when frozen or dried out. b. bacteria can destroy dead plants and animals. c. it is common for a plant or animal to fossilize when it dies. d. rapid burial under small-sized sediment increases the chance for fossilization to occur.
Answers: 1
Geography, 24.06.2019 12:40
Why do so many children develop illnesses in southern africa? a. poor nutrition due to poverty c. very bad air pollution b. climate many diseases thrive d. declining life expectancy
Answers: 2
Which of the following destroys ozone molecules leading to more harmful ultraviolet (uv) rays reachi...
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