4. Diseases caused by manufacturing materials
B. We all protest against wage discrimination
Answer:
formal
Explanation:
'strict' and 'harsh' are out because business letters are not meant to insult or criticise, but rather to be courteous (polite). 'fancy' is out because business letters do not use unnecessarily flowery language.
as such, that only leaves us with 'formal' which is an appropriate tone for a business letter since it conveys a sense of seriousness.
i hope this helps! :D
Answer:
B. Scientists are alarmed that climate change may cause the extinction of coffee plants
Explanation:
According to the given passage, it is narrated that there is a general alarm among scientists about the effect of climatic change on the environment and how it would affect coffee.
It is stated that coffee are at danger of becoming extinct as a great number of plants that are used in the production of coffee are at risk because of their specific weather needs. The scientists believe this is a genuine risk and want the lawmakers and everyone else to put more effort to put countermeasures in place to checkmate this.
Therefore, the main idea of the passage is that scientists are alarmed that climate change may cause the extinction of coffee plants
I honestly feel like its c but its just a guess hope this helps :)