What is the main idea of the passage? Human activity, such as burning fossil fuels and clearing forests, is a primary cause of increasing carbon dioxide into the Earth’s atmosphere.

Humans add carbon dioxide to the atmosphere faster than the Earth’s biological processes can remove it.

The burning of fossil fuels contributes to the increase of carbon dioxide in the Earth’s atmosphere.

Since carbon dioxide contributes to climate change, it is important to understand where and when carbon is released into the atmosphere.

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