Edit: Nevermind! I figured it out!!

Use the information in the table to calculate the ages of the meteorites. The half-life of potassium-40 is 1.3 billion years.

Meteorite Initial Amount(g) Final Amount(g)

1 30 7.5

2 80 5

3 100 12.5

Use your calculations to answer the questions.

How old is meteorite 1?

How old is meteorite 2?

How old is meteorite 3?

Parasitism could be considered a form of which of these types of relationships? -mutualism -commensalism -predator-prey -mimicry

What causes temperature extremes in the desert

Suppose that on a small island off the coast of scotland, 32 percent of the population has blue eyes, which means that these individuals must be homozygous for the blue eye color gene (bb). the only other eye color found on the island is brown, and individuals that are homozygous for the brown eye color gene (bb) or heterozygous (bb) will have brown eyes because brown is the dominant gene. assume this population is in hardy-weinberg equilibrium. if 100 babies are born next year, how many of these would you expect to have brown eyes and be heterozygous? a. 58 b. 49 c. 29 d. 43