<span>The law of conservation of energy states that energy can change from one form into another, but it cannot be created or destroyed. Or the general definition is: The totalenergy of an isolated system remains constant over time. ... A device that demonstrates the Law of Conservation of Mechanical Energy and Momentum.</span>
<span>Answer:
Van sometimes has trouble finding the right words to convey his thoughts. he often says, "it is right on the tip of my tongue." like many older adults, van is most likely "having difficulty retrieving words from long-term memory".</span>
Answer:
mail questionnaires
Explanation:
Mail questionnaire: In research, the term mail questionnaire is defined as a form or type of questionnaire that is being mailed by the researcher to the targeted persons or group, that possesses a specific collection of questions on a few specific topic being asked to them and determined as a part of the survey or interview which is used for researching on that particular topic.
Advantage: Anonymity and confidentiality.
In the question above, Kathy's purpose is being best served by a mail questionnaire.
Hypothesis is the correct answer.
A hypothesis is an idea or explanation created to explain a particular situation or condition. It's an unapproved theory that is given based on very limited evidence. Thus, when Mr. and Mrs. Hill say that their kids should pursue certain careers based on the assumption that men are good at Math and women are good at writing, their message best reflects what we know as a hypothesis.
