Other than bacteria , what else can separate the nitrogen atoms in the atmosphere ?

Isotopes of the same element have differ in their

What is the most important inorganic material for livings things? ! due tomorrow!

Internal feedback works to maintain homeostasis when your a. heart rate decreases as your white blood cells increase b. breathing rate decreases as your red blood cells decrease c. heart rate increases as your liver is cleaning blood d. breathing rate increases as your heart rate increases