Biology, 03.07.2019 08:00 lilyella1004
Ifound this "gem" like rock in my front-yard when i was digging. can anyone me identify it? i would be more than grateful!
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Biology, 21.06.2019 20:00
Chlorophyll is found in plant leaves and absorbs light from the sun to enable plants to perform photosynthesis. magnesium is an important component of chlorophyll. the concentration of magnesium ions is higher in the root-hair cells of plants than in the soil. which mechanism of ion uptake would best enable a plant to produce a steady supply of chlorophyll? osmosis diffusion passive transport active transport
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Biology, 22.06.2019 10:50
Which of the following was not a major animal on land during the carboniferous period? amphibians insects both a and b none of the above
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Biology, 22.06.2019 14:00
What will happen if two of the base pairs of the stand of the dna are switched
Answers: 1
Ifound this "gem" like rock in my front-yard when i was digging. can anyone me identify it? i woul...
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