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AURORKA [14]
3 years ago
13

5. Which is not one of Darwin's four main ideas of natural selection?

Biology
2 answers:
liubo4ka [24]3 years ago
7 0
The answer will be B
Lesechka [4]3 years ago
3 0
The answer should be b


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A substance is very sour and has a ph of 4. what color would you expect it to turn a piece of litmus paper
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If a substance is very sour and has a ph of 4, then you would expect the litmus paper to turn into the shade of red. A substance that is sour and has a pH level that is below 7 would indicate that the substance is an acid or has acidic properties. For an acidic solution, the litmus would be red in color. If a blue litmus paper is used, then it would turn into red while if a red litmus paper is used, then it would remain as red. There is also a general type of litmus paper where the color change range from violet to red. A litmus is widely used in distinguishing acid and bases. It can be used in liquid solutions and in gas mixtures. <span />
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Which of the following items is NOT found on the periodic table?
soldier1979 [14.2K]

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b

Explanation:

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2 years ago
Early settlers in the town of Dry Gulch drilled wells to pump as much water as they wanted from the single aquifer beneath the t
OleMash [197]

Answer: B. under use; it is a scarce resource.

Explanation:

Early settlers in the town of Dry Gulch drilled wells to pump as much water as they wanted from the single aquifer beneath the town. (An aquifer is an underground body of water.) As more people settled in Dry Gulch, the aquifer level fell and new wells had to be drilled deeper at higher cost.Residents of Dry Gulch have a private incentive to under use water because it is a scarce resource.

8 0
3 years ago
Which class of mollusks contain octopi and squids?<br> Anthozoa<br> Gastropoda<br> Cephalopoda
bija089 [108]

Answer:

Cephalopods

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Explain how meiosis promotes variation in a species.
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