Kyle had a brother who exhibited heart disease at age 62 and a sister who exhibited heart disease at age 64. based on the age at which his brother and his sister exhibited heart disease, is kyle considered to have a family history of heart disease?

Yes, Kyle has a family history of heart disease.

Explanation:

A family history is a record of health information about a person and their close relatives. Having relatives with a health problem does not mean that you will develop this condition, but the chances increase. This is because families have many factors in common, including genes and often the environment and lifestyle.

Two of Kyle's brothers developed heart disease, so we can say that Kyle has a family history of heart disease.

hydrogen is a compound or a single element and a element is a pure substence that cannot be separated into simpler subtances

clorine is a compound its a chemical substance that forms when two or more different elements combine

so both hydrogen and clorine are compounds