13. Why were some pesticides such as DDT removed from public use?
a. they can cause heart disea...
Biology, 31.03.2020 20:01 samiyahbass
13. Why were some pesticides such as DDT removed from public use?
a. they can cause heart disease
b. they can cause diabetes
c. they can cause meningitis
d. they can cause cancer
Answers: 2
Biology, 21.06.2019 19:00
What came first egg or chicken? and is tomato a vegetable or a fruit?
Answers: 1
Biology, 21.06.2019 22:00
Where would you expect to see seedless plants, such as ferns and mosses? a. in a botanical museum, because they are all extinct b. low and close to the ground in a moist environment c. climbing high while circling the branches of another plant d. deeply rooted in a forest with a trunk that reaches 20 meters or more
Answers: 1
Biology, 22.06.2019 23:30
The upper forelimbs of humans and bats have fairly similar skeletal structures, whereas the correspondingbones in whales have very different shapes and proportions. however, genetic data suggest that all three kindsof organisms diverged from a common ancestor at about the same time. which of the following is the mostlikely explanation for these data? a) humans and bats evolved by natural selection, and whales evolved by lamarckian mechanisms.b) forelimb evolution was adaptive in people and bats, but not in whales.c) natural selection in an aquatic environment resulted in significant changes to whale forelimb anatomy.d) genes mutate faster in whales than in humans or bats.e) whales are not properly classified as mammals.
Answers: 2
Mathematics, 14.07.2019 02:00
Mathematics, 14.07.2019 02:00
Mathematics, 14.07.2019 02:00
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English, 14.07.2019 02:00
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History, 14.07.2019 02:00
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Mathematics, 14.07.2019 02:00