Answer:
apply to the breaks gently
Explanation:
Glaciers<span> begin to </span>form<span> when snow remains in the same area year-round, where enough snow accumulates to transform into ice. Each year, new layers of snow bury and compress the previous layers. This compression forces the snow to re-crystallize, forming grains similar in size and shape to grains of sugar.</span>
d. Butane
Explanation:
The question is asking about the chain isomerism of the compounds.
a. Methane - have 1 carbon atom and does not have isomers.
c. Propane - have 3 carbon atoms and does not have isomers.
b. Ethane - have 2 carbon atoms and does not have isomers.
d. Butane - have 5 carbon atoms and does have two isomers.
You may find the structure of the isomers in the attached picture.
Learn more about:
structure of organic compounds
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I think the correct answer from the choices listed above is the first option. It is the magnetic fields present that causes the compass to move. <span>A compass reacts with the Earth's magnetic field, however, if another piece of metal is near of the needle magnet's magnetic field the needle will deflect toward the metal.</span>
1st-B
2nd-A
3rd-C variation in frequency