Which fact represents evidence for the big bang theory? (only one answer)
a. every object loca...
Which fact represents evidence for the big bang theory? (only one answer)
a. every object located in the universe emits radiation.
b. the mass that makes up the universe consists of 25% helium.
c. the sun around which earth revolves is not the biggest star in the universe.
d. human eyes cannot perceive all forms of electromagnetic radiation.
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Which best describes a gene? a. a sister chromatid b. a chromosome c. a tetrad d. a piece of a chromosome
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Vaccines are weakened forms of disease causing microorganisms, which are given to patients to prevent disease. after the vaccine is administered, the immune system responds by creating a(n) to recognize the a.) antibody, antibiotic b.) antigen, antibody c.)antibiotic, antibody d.)antibody, antigen
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