"What are genetic disorders, and how do they influence human growth and development

Genetic disorders is an illness caused by abnormalities in genes or chromosomes.The cells of all mammals contain approximately the same amount of deoxyribonucleic acid (DNA).

Explanation:

Mammals are affected through an increase in the number of cells and not in their size.

out of these options:

ability to burn paper

pure sodium reacting violently with water

the boiling point of water

helium does not tend to react with anything

i would say this is a physical property:

helium does not tend to react with anything

why? :

i said helium does not tend to react with anything because well, it reacts to ! but ability to burn paper, pure sodium reacting violently with water, & the boiling point of water are chemical or

physical properties: the properties of a substance that can be observed without changing the chemical makeup of the substance

chemical properties: properties of a substance relating to the chemical nature and reactivity of the substance