Complex organic compounds in sewage are broken down by bacteria. what is the role of bacteria in this?

Select all the true statements about the cosmic microwave background radiation

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?

What is a sex-linked genetic disorder that disrupts the blood's ability to clot? a.achondroplasia b.huntington's disease c.hemophilia d.albinism