Cavities in extrusive rocks resulting from gas bubbles in the lava are called:
a) Phenocrysts
b) Matrix
c) Vesicles
d) Vascular
e) Blobs
Ans: c) Vesicles
Environmental & Atmospheric Sciences
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Indicate whether the statement is true or false.
Environmental & Atmospheric Sciences
Define beam depletion
What will be an ideal response?
Environmental & Atmospheric Sciences
Choose the option that orders the measurement of time from shortest to longest
A) epoch, period, era, eon B) era, epoch, eon, period C) period, epoch, era, eon D) epoch, period, eon, era
Environmental & Atmospheric Sciences
There are ____ major atmospheric circulation cells in each hemisphere of Earth
A) two B) three C) four D) five
Environmental & Atmospheric Sciences