Pangaea or Pangea was a supercontinent that existed during the late Paleozoic and early Mesozoic eras. it assembled from earlier continental units approximately 300 million years ago and it began to break apart about 175million years ago.
Answer:
Positive association
Explanation:
An association is the relation between two variables in an experiment.
In an experiment when increase in one of the variables causes the other variable to also increase it is known as positive association.
In an experiment when decrease in one of the variables causes the other variable to increase it is known as negative association.
Here, higher amount of sleep results in higher scores in the test hence, this is a positive association.
Answer:
I believe a hypothesis is a guess but here I go:
Explanation:
I think older people need a good nutritioun and diet to help maintain muscle strength and a healthy weight so they can live for a longer period of time.
Answer:
Closed-ended Questions:
Advantages
A. It is easy to quantify and compare the results of surveys with closed questions
Disadvantages
B. Closed questions may not provide appropriate alternative responses.
Explanation:
Close ended questions are the opposite of open ended questions in research using questionnaires. Close ended questions ask the respondents questions with options to choose from as an answer but nothing more. From the above we have show some of the advantages and disadvantages of close ended questions. An advantage is that they are efficient and make it easier to compare and quantify results however answers in options given may also be insufficient or inappropriate to address the issue
