Answer:
a solution having pH 4 is less acidic as compared to a solution whose pH is 2.
Explanation:
the reason is more hydrogen ion in the solution provided by the 2 pH. in case of pH 4 free hydrogen ion concentration is low.
The answer is tissue.
A tissue is a group of similar cells working together to perform a specific job. The functional group of multiple tissues is called organ. Functionally related organs form <span>organ systems, which all together form one organism.</span>
Carbon dioxide is my guess ;)
Answer:
alveoli
Explanation:
They are the smallest structures in our lungs where capillaries exchange O2 and CO2 in blood.
Answer:
Each combination of an element with a different number of neutrons is called an isotope. The radioactive isotope is called the parent, and the isotope formed by the decay is called the daughter
