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Biology, 22.06.2019 07:30
Which greenhouse gas is emitted when burn fossil fuels for energy? a.nitrogen b.oxygen c.carbon dioxide d.helium
Answers: 2
Biology, 22.06.2019 11:00
Which of these is true of the cytoplasm of an unfertilized egg? a. it is an unevenly distributed mixture of mrna, proteins, organelles, and other substances. b. it does not contain substances that are important in directing development. c. these substances are supplied by the sperm. d. it does not contain substances that are important in directing development. e. development is directed solely by the surrounding cells. f. it is a homogeneous mixture of mrna, proteins, organelles, and other substances. g. it does not contain substances that are important in directing development. h. these substances are produced by the dna of the fertilized zygote.
Answers: 1
Biology, 22.06.2019 12:00
The earth's oceans are made up of chlorine, and trace elements. a) carbon, oxygen b) oxygen, silicon c) hydrogen, oxygen d) nitrogen, oxygen
Answers: 2
Spanish, 23.03.2021 17:30
Mathematics, 23.03.2021 17:30
Mathematics, 23.03.2021 17:30
Mathematics, 23.03.2021 17:30