They use various things like radiometric measuring where they measure things like radiation impurities that were formed over time. They also use relative dating and they measure also by seeing how many layers of different minerals have formed one over the other. They use a lot of these techniques in combination to determine the age.
Answer: experimenting with multiple substances
Explanation:because it says melting point of a new substance so that is the project there is no need to try it out with other substances if what he is trying to find is one
D is the only correct statement.
Answer:
he French and Indian War altered the relationship between Britain and its American colonies because the war enabled Britain to be more "active" in colonial political and economic affairs by imposing regulations and levying taxes unfairly on the colonies, which caused the colonists to change their ideology from ...
Explanation:
Answer:
The answer is habituation.
Explanation:
Habituation refers to a decrease in response to a stimulus after many repetitions. The more frequent the stimulus, the faster the habituation becomes.
Habituation also occurs to adults. For example, a distracting clock sound in an office may be annoying at first, but after a few hours it will be barely noticeable.
