The correct answers are ATMOSPHERE and BIOSPHERE. Nitrogen is most abundant in the ATMOSPHERE, but nitrogen can't be absorbed by the BIOSPHERE without the help of a special bacteria and without undergoing a process called nitrogen fixation.
Buffer is an aqueous solution that resists changes in pH when acids or
bases are added to it. A buffer solution is typically composed of a weak
acid and its conjugate base. There are three major buffer systems that
are responsible for regulating blood pH: the bicarbonate buffer system,
the phosphate buffer system, and the plasma protein buffer system. Of
the three buffer systems, the bicarbonate buffer system is arguably the
most important as it is the only one that is coupled to the respiratory
system
please mark me as brainliest
Overproduction of crops, erosion and lack of rainfall. Basically what caused the first dust bowl
Answer:
I think the answer is C: An experiment that includes one group for which the scientist controls all variables
Explanation:
Muscles pectoralis, an enormous muscle that ventilates beginning from shoulder to breastbone. The serratus foremost is named for its connection deep down and its source and muscle filaments. The pectoralis major is named for its size and area in the body.
