Which of the following statements would not result in an eclipse?
a. the earth is positioned directly between the sun and the moon.
b. the earth is positioned closest to the sun.
c. the moon is positioned directly between the earth and the sun.
d. the earth passes into the shadow of the moon.

1. the is the thinnest part of the earth. 2. the is the thickest part of the earth. 3. what metals are mentioned in the text?

Which of the following is true of microbes? a. ninety-nine percent of all microbes are pathogenic.b. gene expression in bacteria is very similar to gene expression in humans, which facilitates the use of bacteria in recombinant biotechnology and gene therapy.c. all bacterial enzymes are harmful to humans and the environment.d. microbes create pollutants and toxins that harm the environment.

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