True or False: The pulmonary circuit allows deoxygenated blood to become oxygenated.

Crossing over and independent assortment are important activities that occur during meiosis. what is the significance of these activities

Pentane with molecular formula c5h12, exists in three isomeric forms. one shows linear carbon chains, another has one -ch3 groups present on the third carbon atom, and the third has two -ch3 groups present on the second carbon atom. what types of isomers are these? a. geometric isomers b. structural isomers c. halotropic isomers

They live on every continent except antarctica