Why is there no such thing as heterozygous recessive

Which best describes red blood cells? a. they are colorless b. they protect against disease-carrying microorganisms c. they transport oxygen throughout the body d. they aid in blood clotting

Free brainliest! what is a characteistic of the american stradfordshire?

Plants consume most of their carbon from a. the soil b. the water c. the roots d. the air