Answer:
A pure substance is made up of only one ingredient or combination. A mixture is made up of two or maybe more separate components that are not chemically linked.
Explanation:
A. Dalton's theory that atoms could not be divided was incorrect
Answer:
one could be the weather.
phenotypes are physical characteristics of a person and there non genetic factors that play a role.
weather and environmental factors, your surroundings and orders related to the environment basically
