Biology, 21.10.2019 19:10 student0724
Hydrogen is a likely candidate in the search for a replacement for petroleum. however, removing hydrogen from water requires the investment of a great deal of energy. why are plants considered to be one step ahead in the utilization of hydrogen as an alternative fuel source?
Answers: 2
Biology, 21.06.2019 18:30
How is the male reproductive system different from other body systems? it isnβt necessary to vital signs. it monitors other body systems, and adjusts if necessary. it transports items from one system to another. it is the only system that produces hormones in the male.
Answers: 1
Biology, 22.06.2019 03:50
The breakdown of food is accomplished by enzymes. a. physical b. chemical c. mechanical d. none of the above
Answers: 1
Biology, 22.06.2019 08:00
Two students are working together on an experiment that measures the effect of different liquid fertilizers on the thickness of plantsβ stems. which is most likely to result in the greatest amount of error in their scientific experiment? a.one student measures the plant stem widths by using calipers. the other student measures the widths of the same plant stems again by using a different pair of calipers. b.one student measures the plant stem widths by using calipers. the other student types the measurements as they are taken into a computer spreadsheet. c.one student weighs liquids for the experiment by using a calibrated scale. the other student weighs liquids for the experiment by using a different calibrated scale.
Answers: 1
Hydrogen is a likely candidate in the search for a replacement for petroleum. however, removing hydr...
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