Answer:
A is the first line
b is the second
Explanation:
A is the trumpet which is louder so its wave goes up in height and b goes is pitch is lower so the wave goes down.
Answer: Theory, Hypothesis
Explanation:
Theory is referred to as a system or supposition of notion or ideas that were intended in order to explain something, especially the ones that are based on principles which are independent of things required to be explained. Whereas a hypothesis is known as the proposed or put forth explanation for a process or phenomenon. A hypothesis is referred to as a scientific hypothesis if the method that is scientific can be tested.
<span> a term referring to a category of people differentiated from the social majority.</span>
The main reason Japan invaded Manchuria in 1931 is because <em>it wanted raw materials and natural resources</em>. Japan was facing economic crises during the period due to high tariffs imposed on their goods by United States, China and other countries which were big markets for Japanese goods. Japan was trying to increase its industrial productivity and strength because trade what its economy’s main part. So, Japan assumed that the only way to face it was creating an empire by force and consequently attacked Manchuria on the excuse of sabotage of their railway line in Manchuria by Chinese army.