Answer:
the answers are 1,2 and 4
Answer:
The researcher is confounding the sweetness of the cereal and the colour of the cereal.
Explanation:
Based on the results, it would be unclear if the subjects prefer the cereal because of the colour or because of the sweetness --it is only the latter the researcher wants to know about. This would be the dependent variable.
To fix this, the researcher should use the same colour for both sweetened and unsweetened cereal and have each preschooler try both. It is possible to colect data through observation (look at the children's reactions) or simply asking for their opinions at the end of the experiment.
Answer:
Not misusing the school‘s property, not bringing in weapons or drugs, and being kind to all of your teachers and classmates.
Explanation:
In international trade, an exchange rate is a number that is used to show the value of one currency compared to another.
Social change bring two types of changes one is positive change, which helps human life. Other type is negative in direction for which man show his resistance.
