Answer:
a1* buffer
Explanation:
To buffer means “to cushion or protect.” Buffers are weak acids or bases that react with stronger acids and bases to prevent sudden changes in pH in the fluids of living organisms.
So, the correct answer is buffer! Hope this helps :)
One of the most commonly used methods of analysing the age of a certain crust is through analysis of its isotropic composition, such as the presence of the elements of tellurium and selenium. However, by general principle, the continental crusts are considered to be much older than the oceanic crusts.
A. The pollen or seeds gets stuck to the animals feathers or fur, spreading the plants area.
