The entire reaction sequence is shown in Figure 9.25 generates 4.3x10^-12 joules of electromagnetic energy and releases two neutrinos. If all of the Sun’s energy comes from this sequence and neutrino oscillations transform half of the neutrinos produced into other particles by the time they reach Earth, estimate the total number of solar neutrinos passing through Earth each second.

the allele for unattached earlobes is dominant over the allele for attached earlobes. In a population if “500 individuals”, 25 percent show the recessive phenotype. How many individuals would you expect to be heterozygous for this trait?

possible answers:

• 75

•125

•200

•25

Explanation:

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molecules are free to separate from each other and will take on the shape of the container. molecules move completely at random and high speeds. they vibrate in a fixed position and do not move around much. molecules expand to the edge of their container.