Biology, 16.02.2021 21:50 makayyafreeman
How did the evolution of the first autotrophs change earth atmosphere? why did this cause many living thing to die out?
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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 04:00
In the water cycle , when does water undergo a chemical change
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Biology, 22.06.2019 15:50
We all have different forms of genes from our parent(s).what are these different forms called? a.alleles b.characters c.dna d.resources
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Biology, 22.06.2019 18:20
Which characteristics must an object possess in order to be considered alive?
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How did the evolution of the first autotrophs change earth atmosphere? why did this cause many livin...
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