What is the structure used in reproduction in pteridophytes?
what is the structure used...
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Biology, 21.06.2019 17:50
Which of the following represents a negatively charged ion? of t 7
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Biology, 21.06.2019 21:00
Amylase is an enzyme found in the human digestive system. why do you think it was important to keep the enzyme temperature about 37 degrees celsius (98.6 degrees f)? describe what might happened the temperature decreased by 10 degrees celsius.
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Biology, 22.06.2019 06:30
In 2015, about ten percent of total u.s. energy consumption was from renewable energy sources. renewable energy plays an important role in reducing greenhouse gas emissions. when renewable energy sources are used, the demand for fossil fuels is reduced. sanjay and his family want to cut back on their use of non-renewable resources at home. they are thinking of an alternate way to heat their home without adding more greenhouse gases or pollutants to the environment. which renewable resource would not fit into their plan? a) solar power b) burning wood c) constructing a wind turbine eliminate d) generating hydroelectric power
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Biology, 22.06.2019 06:30
Genetic disorders can result when sister chromatids fail to seperate properly. during what phase is this problem most likely to occur?
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