Answer:
a. Behavior is an action that can be observed with lab equipment.
Explanation:
Behavior cannot be measured, cannot only be measured with lab equiptment, and behavior can't be private.
5. Contributors who live outside the district
Answer:
The Columbia Exchange is also known as the Great Exchange occurred in the middle of 1940's.
Explanation:
The Great Exchange is an exchange of cultures and livelihood of between Eastern and Western Hemisphere, in the areas of politics, economics, and social back ground.
The great exchange was caused by a strong desire for continents such as Europe, America, Africa and Asia, to participate in joint trading activities, which affected every strata (politics, economics , religion ) of the people and culture.
Crops such as Beans, were exported from America to Europe, Africa and Asia, and eventually grown in the continents they were imported to. As a result, they were issues of epidemics following the trade exchange, but such epidemics were managed eventually.
Seven thirds times three- fourteens
