Answer:
a. Smaller class size is related to better academic performance.
Explanation:
A hypothesis is a testable prediction, a scientific guess of what you expect to happen from a study. There are directional and non directional hypothesis, the directional hypothesis states exactly what you expect such as " smaller class size is related to better academic performance while a non directional hypothesis predicts that there will be an effect but does not specify the direction, example is "smaller class size is related to academic performance".
The option chosen is an example of a directional hypothesis, option b, c, and d are more statements of facts and not hypothesis.
Answer:
The features or characteristics this antropologist mentioned on his finding are related to a female pelvis characteristics.
Explanation:
Due to physics, female pelvis is more suited than male pelvis. a female pelvis has a series of features or characterisctics that will help her with the birth labor, it has more space and they are specially designed to allow the fetus to acommodate during pregnancy.
A plastic bag is used approximately 5 times before being thrown away.
<span>This describes a hierarchy. A hierarchy is a type of bureaucracy that describes the chain of command of people working within a government entity. Here, a hierarchy describes a level system in which there is a low level (subordinates) and it gradually moves up until you reach the high level (superiors). In this bureaucracy there is a definite command chain that can be followed.</span>
