Answer:
b sorry if i am wrong hope i helped tho.
Explanation:
Whether secondary or primary, any data collected would need to meet all of the following criteria EXCEPT it should be large scale.
Option B
<u>Explanation:</u>
The data collected should be relevant prior mostly and then should be appropriate to the data need and sampling need for the collection to be fruitful. Other most important criteria for data collection is being timely. Time works a reference frame for any type of data collection which marks the other two criteria in regard, that is relevance and appropriateness.
The data collection shall thus never be large scale as it would involve much time of uselessness in collection as well as in processing. To avoid the same, all three mentioned criteria is considered.
Answer:
The biggest causes are vehicle pollution, industrial emissions, thermal power plants, construction dust, waste burning and millions of poor households' use of cheap and dirty fuels such as wood and cow-dung for cooking.
You would consult a sports psychologist if you :
are a Major League Baseball player who is in a slump