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Meteorites that contain organic compounds have been found on Earth. Some scientists think the organic compounds in meteorites may have provided the elements needed for life on Earth. Which element forms the
backbone of organic compounds?
A carbon
B. nickel
Cphosphorus
D
sodium
Answers: 1
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Before the can be observed by using a transmission electron microscope, cells are sliced into very thin sections. what disadvantage does this procedure present in the study of cellular parts
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When is your respiration rate likely to change? a. when your intestines are digesting b. when your cells have too much glucose c. when your cells need more oxygen d. when your liver is working after a meal
Answers: 2
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How are mutations continually being generated in a population (what are some of the causes of mutatuions? ) explain
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Biology, 22.06.2019 02:00
Which units ate used to measure both velocity and speed? check all that apply
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Meteorites that contain organic compounds have been found on Earth. Some scientists think the org...
Mathematics, 20.02.2020 19:30
Mathematics, 20.02.2020 19:30
Mathematics, 20.02.2020 19:30