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Biology, 22.06.2019 00:30
When analyzing tree rings, what do scientists assume a thin ring indicates?
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Biology, 22.06.2019 01:30
Which best explains how a heat pump can heat a room? cold air from the house is moved through pipes, where it absorbs thermal energy. warm air from outside is pushed into the house to replace the cold air. combustion warms the air when chemical energy is transferred to thermal energy. fuel is used to move a piston, which pushes warm air into the house.
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Biology, 22.06.2019 11:00
You want to cultivate some exotic plants at your farm. however, the climate is chillier than the temperature range favorable to the crop. which is the best method to use for the cultivation of this exotic crop? a. use a crop rotation method b. use a lot of fertilizer c. prepare the seed bed properly d. use a greenhouse e. use irrigation
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Biology, 22.06.2019 14:00
What could happen if two base pairs on a strand of dna or switched
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Discuss the evolutionary development of fish to amphibians. What organism(s) provide evidence of a l...
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