Wood is not a pure substance it is a mixture, because it is composed of compounds such as cellulose, hemicelluloses, and lignin which are made up of elements such as carbon, hydrogen, and oxygen.
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It's B : The strong wind knocked down the tent; we'll have to get it up again.
A and D are run-on sentences.
C is also a run-on sentence, yet is has a comma.
A sample summary of the given text is given below:
A group of people, family members of aunt Gertrude go to her home in Slovakia to get a letter she wrote to them and told them about it before she died.
She was bequeathed a huge sum of money while she was a governess and she used it to open an orphanage for children without parents, however, she was scared her family would be angry if she did not share the money with them.
When they read the letter and found out, they had a new respect for aunt Gertrude and were proud of her.
<h3>What is a Summary?</h3>
This refers to the concise representation of the main details of a text in an objective manner.
Hence, we can see that A sample summary of the given text is given below:
A group of people, family members of aunt Gertrude go to her home in Slovakia to get a letter she wrote to them and told them about it before she died.
She was bequeathed a huge sum of money while she was a governess and she used it to open an orphanage for children without parents, however, she was scared her family would be angry if she did not share the money with them.
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People should wear masks to prevent themselves from getting or contracting the virus and they should also wear a mask to go get the people that they’re around from getting the virus or contracting it