Answer:
An acid is a chemical that dissociates releasing free hydrogen ions.
Explanation:
The chemical equation for an acid is HA⇄A- + H+
The free hydrogen ion (H+) is what gives the substance the quality of acid.

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Answer:
Adequacy
Explanation:
There are four aspects of a healthy and nutritious diet, which are, balance, variety, moderation, adequacy
Adequacy in nutrition can be defined as the consumption of the needed nutrients, to reach the required amount of nutrients for attaining the best health possible. A given nutrient may be required to be taken more or less depending on the adequacy criteria.
The adequacy criteria are;
Deficiency disease prevention
Reduction or prevention of chronic diseases
Diseases associated with poor diet reduction
Maintaining physiological balance requirement.
Answer:
1. This could be a scary or dangerous situation and you don't want strangers to distract you.
2. The situation could be very personal to you or your family member, and it could be embarrassing for a stranger to know.