Blood cerculation system

The carbon cycle is best defined as a process in which a. carbon changes from inorganic forms to organic forms and back b. carbon is changed into other elements such as oxygen or nitrogen c. carbon is continually created from the sun’s energy by plants d. carbon is consumed and regenerated from other elements such as oxygen and nitrogen

In "the pig," what is the main effect that the piglet initially has on kibuka?

Which individual below would be considered heterozygous? a.dd b.dd c.dd