what is usually observed before a volcanic eruption?
a. Dry air is felt
b. Rains become frequent
c. Floods anf tsunamis occur
d. Seismic activity seems to increase in frequency
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what is usually observed before a volcanic eruption?
a. Dry air is felt
b. Rains become frequent
c. Floods anf tsunamis occur
d. Seismic activity seems to increase in frequency
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Answer:
d.
Explanation:
cause i searched it.