England began burning coal to power factories in the mid 1800's. Dark smoke and black soot are products of burning coal, which over time coated the nearby trees. The graph shows population changes in the peppered moth species in England
from 1844 to 1891.

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Look at the following answer choices and determine which belongs in the both category. testable, can be disproven explains natural phenomena, has evidence to support it prediction, tentative, one or more scientists working together well established, many different scientists working independently, highly reliable

In some plants, pointed leaves (p) are dominant over rounded leaves (p). a plant with a genotype of pp

Explain how paleontologists use trilobite fossils as index fossils for various geologic time periods.