What are TWO reasons that oil has been used for the past 150 years as a fuel source?
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it is the only fuel source that works
it is renewable and easy to replace
easy to extract from the ground
cheaper than some other fuel sources

Which allele combination represein a dihybrid cross for round and yellow seeds (rryy x rryy), what is the probability of having green and wrinkled seeds? nts a male who has an x-linked recessive disorder? which allele combination represents a male who has an x-linked recessive disorder?

The nursing instructor has been observing nursing students initiate an iv infusion. which action(s), if made by the nursing student, indicates that further instruction is needed? (select all that apply.) the nursing student:

The cluster of developing cells from conception until birth is called an