Jackson lives near the equator. Nighttime for Jackson is 1. 24 hours long during the winter 2. 24 hours long during the summer 3. 12 hours long all year 4. 12 hours long for half of the year

Someone me with this: a mineral' is determined by its actomic structure.

How can a geological time scale best be reconstructed? a) comparing vestigial structures in living species b) comparing homologous structures in living species c) examining homologous structures in fossil remains d) examining the written records of scientists from past cultures

Freckles are a dominant trait in humans. both of the girls have the genotype ff for freckles. if either one marries a man with no freckles, what are the chances that their children will have freckles?