Are bivalves protostomes or deuterostomes?

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?

In which state was more than 100 billion tons of coal mined in 2005?

What amount of heat is exchanged when 106.2 grams of substance y goes from a liquid at 35 degrees