Many cities suffer from serious air and noise pollution—as well as endless traffic jams—because of too many cars. Some people feel that cities with extensive public transportation systems should ban passenger cars and force people to walk, bike, or use public transportation. Do you think this is a good idea? Why or why not?
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Biology, 21.06.2019 17:30
Look at the picture below . what does this picture represent ?
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Biology, 21.06.2019 20:00
Which of the following is most important in making the typical seed more resistant to adverse conditions than the typical spore? a) a different type of sporopollenin b) an internal reservoir of liquid water c) integument(s) d) ability to be dispersed e) waxy cuticle
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Biology, 22.06.2019 08:00
What are the student's observations and inferences before he starts his investigation?
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Biology, 22.06.2019 09:40
What molecule contains an organisms genetic material, passed down from parents to their offspring
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Many cities suffer from serious air and noise pollution—as well as endless traffic jams—because of t...
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