46.6% oxygen (o)
27.7% silicon (si)
8.1% aluminum (al)
5.0% iron (fe)
3.6% calcium (ca)
2.8% sodium (na)
2.6% potassium (k)
2.1% magnesium (mg)
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consider the layers of the earth seen here. where would you find the elements listed above?
a) atmosphere
b) core
c) crust
d) mantle

Ascientist wants to determine the effect of a new type of gasoline. he fillsone car with normal gasoline and another identical car with the new gasoline.which is the control group? a. the new type of gasolineb. the car with the normal gasolinec. the car with the new gasolinethe amount of gasoline usedd. the amount of gasoline used

Consider the classification levels of a human. eukarya ,animalia ,chordata ,mammalia ,primates, hominidae ,homo ,sapiens .which is the most specific taxonomic level in the classification system above? a sapiens b homo c hominidae d primates

Asegment id dna that is artificially created from two or more organism through use of dna enzymes in a laboratory is called a segment of dna that is artificially created from two or more organisms through use of dna enzymes in a laboratory is called