Business cycles .
O are changes in the number of businesses started
O are fluctuations in stock market
O look at the role of business in the hiring resources
O are ups and downs in the level of economic activity
O are changes in government spending that occur over a period of years

Are ups and downs in the level of economic activity

Explanation:

Business cycles is defined as the various ups and downs in the economic activities of a particular nations. These ups and downs are generally measured by the fluctuations in the macro economic variables. These macro economic variables includes:

(i) Gross domestic product (GDP)

(ii) Employment

(iii) Rate of consumption

There are four major phases in the process of business cycle are as follows:

(i) Expansion

(ii) Peak

(iii) Contraction

(iv) Trough

answermeasured by how well she or he does the job'; /

among other factors, composers started writing dynamic markings in their scores because "new instruments allowed for more dynamic ranges and contrast."

dynamics allude to the loudness or softness of music. dynamics offer an approach to demonstrate articulation in sheet music. they to drive the enthusiastic substance of music through volume and force. maybe you could alter both the volume and the shading profundity on your screen at the same time. we can likewise think about the force side of elements as the quality of a note. a few notes are intended to be played delicately and gently, while others are intended to be played all the more firmly.  

some dynamics markings have a letter 'm,' which remains for mezzo, signifying 'medium.' so a mezzo piano unique stamping resembles this (mp) and intends to play medium calm, while a mezzo specialty dynamic resembles this (mf) and intends to play medium loud.