Lava rocks formed less than 800,000 years ago are found to have a different _____ than lava rocks formed over 1.5 million years ago.

A ) magnetic polarity
B ) mineral composition
C ) magnetic strength
D ) precious metal content


Ans: A) magnetic polarity

Environmental & Atmospheric Sciences

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variation of allele frequencies at or above the level of a species, where an allele is a specific iteration of a given gene.

What will be an ideal response?

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Hydropower is derived from solar energy.

Answer the following statement true (T) or false (F)

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