Answer:
A
Explanation:
Many Chinese cities have dangerous levels of air pollution
USA had to join the war after altercations and provocations by the Germans.
Explanation:
America had remained neutral for almost all of the war until their trade ships began being sunk by the Germans as USA was a major supplier of arms to the nations and then their trade routes were purposefully blocked.
There was also a plan revealed in the Zimmermann note about a conspiracy to get Mexico to declare war on the USA effectively starting a home front in the war for US.
This was what led US to get involved in the war directly.
Answer:
be calm and look at the question properly
The earliest start time rule "compares the finish times for all immediate predecessors of an activity".
<u>Option: B</u>
<u>Explanation:</u>
The equation used only to measure Early Start and Early Finish dates:
Early Start of Operation = Predecessor Early Finish operation + 1.
Early Activity End = Period of Activity + Early Activity Start - 1.
The above given terms are basically dependent on how early a project or an operation may start by having all necessary element like how early a task can be started in given time duration. In same how early a work can be finished in business or another sector with in a given time duration. This helps to calculate a millage of a work performed.
The sense of sight and smell are the best ways to detect the presence of hazardous chemicals. This statement is the truth. Thus, the option (a) is correct.
What is chemicals?
The term chemicals refer to such the kind of the substance are the composition. the chemicals are the primary involved to the chlorine. The chemical are the also founded in the natural resources such as plants, minerals, and the water.
The hazardous chemicals are the primary work of the sense of sight and smell detecting. There are the observation method to the analysis of the substance. The sight is the main observation of the eye because its the 80% impressions.
As a result, the hazardous chemicals are the detected the smell and sense are the statement are the truth. Therefore, option (a) is correct.
Learn more about chemicals, here;
brainly.com/question/23693316
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