Answer:
Bellows
Explanation:
A bellow or pair of bellows is a device constructed to furnish a strong blast of air. The simplest type consists of a flexible bag comprising a pair of rigid boards with handles joined by flexible leather sides enclosing an approximately airtight cavity which can be expanded and contracted by operating the handles, and fitted with a valve allowing air to fill the cavity when expanded, and with a tube through which the air is forced out in a stream when the cavity is compressed
Answer:misattribution; reasons-generated attitude change
Explanation:Misattribution occurs when we attribute certain situations to something which isn't related to them or when there is no relation between the two. This lead to making wrong attribution.
Reasons-generated attitude change
This occurs when we base our action on the attitude we feel at that moment because we believe our attitude is reasonable enough and easy to state.
Answer:
a. how often children misbehave in school
Explanation:
Here, it being studied whether the number of times the children eat together with their families affects the child's behavior at school.
So, one variable is the number of times the children eat together with their families and the other variable is the behavior of the child at school.
The variable which changes irrespective of the other variable is called the independent variable.
The variable which changes with respect to the independent variable is the dependent variable.
Hence, how often children misbehave in school is the dependent variable and the number of times the children eat together with their families is the independent variable.
True because Physical changes alter only the size, shape, form or matter state of a material. Water boiling, melting ice, tearing paper, freezing water and crushing a can are all examples of physical changes. On the other hand, chemical changes are a bit different. In a chemical change, a new substance is formed.
