Answer:
The first portion: Ultimately pointless as it was fierce and acrimonious, means that that it was as much of a waste of time as it was aggressive and fueled by fury. Second they acknowledge that it was not that the couldn't prevent it but they didn't know what happened.
Explanation:
Some things you could talk about in your letter are the hazards of litter and polythene. State the reasons why you believe actions should be taken and describe your concerns in your letter. Describe why this is bad for our environment and health. Convince them to see your point of view in the letter by coming from a place of concern, think about health concerns of others. I hope this helps.
Answer:
b
Explanation:
Further testing proved conclusively that the cowpox virus was able to build immunity against smallpox. Using his theory, similar vaccines were later created for diseases such as yellow fever, mumps, rubella and tetanus.
