Heart disease
Heart disease is the leading cause of death in the United States, and forces many to apply for disability benefits every year.
Answer:
C.
Explanation:
A. N2O
B. H2O
C. C6H12O6 contains carbon.
D. H2
They relate because they have the same bonds
Answer:
Many fossils are found only during certain periods in the geologic record. Scientists use these fossils to determine the relative ages of rock layers. The diagram shows relative ages of four fossils.
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