Biology, 25.02.2021 01:00 sahaitong814
You are standing by a cliff far away from the ocean. You see a sedimentary layer with shells in it. You ure told the shells are from oceanic organisms. How do you think this layer formed?
Answers: 3
Biology, 22.06.2019 10:00
In one or two well-crafted paragraphs in your laboratory journal, summarize the process in which normal cells become cancer cells. your paragraph(s) must include each of the terms listed below. underline each term in your writing:
Answers: 2
Biology, 22.06.2019 11:30
Which of the following statements is true about the relationship between genetic variation and natural selection? a. genetic variation must be present in a population before natural selection can act on it. b. genetic variation arises in a population as a result of natural selection. c. natural selection can act on a population whether there is genetic variation within the population or not. d. after natural selection acts on a population, the amount of genetic variation in the population always increases.
Answers: 1
Biology, 22.06.2019 12:00
Which statement about relative potential energy of electrons is correct? a. an electron in the 2 p orbital of the second electron shell has more potential energy than an electron in the 2 s orbital of the second electron shell. b. an electron in the 2 p orbital of the second electron shell has more potential energy than an electron in the 3 p orbital of the third electron shell. c. an electron in the 3 p orbital of the third electron shell has more potential energy than an electron in the 2 p orbital of the second electron shell.
Answers: 2
Biology, 22.06.2019 16:40
An alaskan spruce forest will burn easily once burned the forest regenerates fairly wuickly which statement best describes haw an alaskan spruce forest reacts to fire? it is resilient
Answers: 1
You are standing by a cliff far away from the ocean. You see a sedimentary layer with shells in it....
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