Which substance is organic?

sodium cyanide, nacn
the mineral magnesite, mgco3
carbon monoxide gas, co
the sugar sucrose, c12h22o11

How does this experiment explain why it is often milder in areas such as coastal maryland while areas such as kansas or iowa have more extremes in temperature

When a person is exercising the body needs to deliver increased amounts of oxygen to the muscles which component of blood ensures that the muscles will receive it

Give an example of a trait that is controlled by more than one gene.