1. the carboxylic acid group which contains carbon and oxygen
2. the amino group, which contains nitrogen and hydrogen
3. the r group which varies with each amino acid
Answer:
Because salt is soluble in water, salt applied to such surfaces dissolves. Liquid water has what is known as a high dielectric constant, which allows the ions in the salt (positively charged sodium and negatively charged chlorine) to separate.
Explanation:
Sun is a 4.5 billion-year-old star – a hot glowing ball of hydrogen and helium at the center of our solar system
