Biology, 30.07.2019 06:00 browneyedbaby20
9) many gardeners use a chemical weed-killer to control plant pests in their gardens. however, many weeds have begun to develop a resistance to these chemical poisons. this is an example of in action.
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Biology, 21.06.2019 23:50
Legumes, a type of plant, require rhizobia, a type of soil bacteria, to survive since these organisms fix nitrogen during photosynthesis. rhizobia use the legumes for food. what would most likely happen to the legume population if rhizobia suddenly became extinct?
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Biology, 22.06.2019 03:30
Which set of characteristics best describes sedimentary rock? a) largest type of rock, made of organic matter, hardest type of rock b) often contains layers, forms near sources of water, contains fossils c) least abundant type of rock, made of other rocks, made mostly of minerals d) most abundant type in earth's crust, made of magma/lava, contains no fossils
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Biology, 22.06.2019 06:20
Select the correct answer from each drop-down menu proteins are
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Biology, 22.06.2019 07:30
Which locations on the map are low-pressure areas? a b c d e
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9) many gardeners use a chemical weed-killer to control plant pests in their gardens. however, many...
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