bellrivera3434
24.02.2020 •
Biology
A(n) is an organic compound that changes color in acid and base.
Question 12 options:
element
plasma
indicator
catalyst
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Ответ:
Indicator.
Explanation:· An Indicator is a chemical substance which changes color in solutions due to changes in pH. They react with the hydrogen ions and the hydroxyl ions present in the solution to indicate the presence of a chemical specie in an acid or base. They are known as acid-base indicators and are weak acids and weak bases.
Ответ:
I think the type of animal that is most flexible is one with a wide fundamental niche and the type of animal that is the least flexible is one that is a strict niche specialist