Biology, 24.04.2020 23:24 19alexanderetha
Three-fourths of the Earth's surface is covered by water. The water cycle includes these water sources evaporating and returning to Earth as rain and snow. What is the driving force behind the water cycle?
A.
the Sun
B.
the wind
C.
the tilt of the Earth
D.
the Moon
Answers: 3
Biology, 22.06.2019 07:50
Pentane with molecular formula c5h12, exists in three isomeric forms. one shows linear carbon chains, another has one -ch3 groups present on the third carbon atom, and the third has two -ch3 groups present on the second carbon atom. what types of isomers are these? a. geometric isomers b. structural isomers c. halotropic isomers
Answers: 3
Biology, 22.06.2019 08:50
Blood stem cells may develop into any kind of human blood cells. what kind of stem cells are blood stem cells? a. multipotent stem cells o b. totipotent stem cells o c. pluripotent stem cells o d. unipotent stem cells
Answers: 1
Biology, 22.06.2019 10:00
Number and variety of living organism; includes genetic, species, and ecological types
Answers: 1
Three-fourths of the Earth's surface is covered by water. The water cycle includes these water sourc...
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