Biology, 20.11.2020 02:50 eddyjunior679
Earth's second atmosphere (atmosphere III) was a thick atmosphere of primarily water vapor and carbon dioxide,
What effects did this have on Earth?
A. Heat energy was retained and water vapor condensed
B. Ultraviolet light split water vapor into hydrogen and oxygen.
C. Increased oxygen allowed reptiles to thrive.
D. Helium and hydrogen gases escaped earth's gravity
Answers: 3
Biology, 21.06.2019 19:00, ella3714
Apea plant that is heterozygous for the tall phenotype can produce short offspring when self pollinating. which of the following explains why this occurs? a. segregation of allels b. condominance of traits c. polygenic expression of traits d. independent assortment of alleles
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Biology, 22.06.2019 00:00, BreBreDoeCCx
Twind is considered to be an abiotic factor because it.?
Answers: 1
Biology, 22.06.2019 02:30, hey840
Plz ! having a smooth seeds is the dominant trait. having wrinkled seeds is a recessive trait. the offspring of two plants with smooth seeds, a. must have smooth seeds. b. may have smooth or wrinkled seeds. c. must have wrinkled seeds. d. have a 25% change of having smooth seeds.
Answers: 1
Earth's second atmosphere (atmosphere III) was a thick atmosphere of primarily water vapor and carbo...
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