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Biology, 22.06.2019 10:30
The greenhouse effect a. something that has occurred for millions of years b. an unnatural phenomenon caused by humans that maintains earths temperature range. c. the results of the differences in the angle of the suns rays d. an unnatural phenomenon that causes heat energy to be radiated back into the atmosphere
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Biology, 22.06.2019 13:00
This is one of the five kingdoms in the older biological succession. organisms in this kingdom are prokaryotic.
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Biology, 22.06.2019 15:00
Pls me i need this ! each cell has genes activated depending on it's job and what kind of cell it is. it is the presence of that causes the repressor protein to fall off and unblock the gene on the lac operon. if a gene is turned on then it is being an additional circular chromosome found in some bacteria that is used in genetic engineering.
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Biology, 22.06.2019 16:00
Which of the following is the sl unit used to measure temperature a. kilogram b. liter c. meter d. kelvin
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Which is mixed with proteins to break them into amino acids? villi enzymes saliva fat...
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Mathematics, 27.06.2019 08:30