Biology, 27.10.2019 23:43 joelwilliamjoel
Which of the following examples shows the influence coal has had on human activity?
coal use in steam engines led to easier access to goods.
coal use in steam engines allowed people to travel on planes.
coal use in steam engines led to the discovery of natural gas wells.
coal use in steam engines caused a decrease in railroad profits.
Answers: 2
Biology, 22.06.2019 10:30
In a lab, scientists grew several generations of offspring of a plant using the method shown. what conclusion can you make about the offspring? a. they formed from meiosis and mitosis. b. they have half the number of chromosomes as their parent. c. they have low genetic variability among them. d. they will be able to reproduce only after they grow flowers.
Answers: 2
Biology, 22.06.2019 10:40
Which of the following is the earliest era of earth's geologic time scale? cenozoic mesozoic precambrian paleozoic
Answers: 1
Biology, 22.06.2019 11:00
What is the term for a water wave that is created by an underwater earthquake?
Answers: 2
Which of the following examples shows the influence coal has had on human activity?
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