Really it depends upon what the author makes it. If it's a published book, it's a for entertaining purposes. If it was informal, it's be a biography.
An adjective describes a noun. For example, The big basketball is hard to carry. "big" is the adjective.
Answer:
1. To test the amount of knowledge retained by students in a certain period of time
2. To test teachers if they've been doing their job correctly, for example, if too many students have low grades it means the teacher most likely wasn't doing their job right
Hey There!!
I think the answer to this is: The 3 one is. A Relative. The 4 one is. A noun. And, The last one is. adverbial.
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The number doubles every month so it'd be 32 in May, 64 in June, 128 in July, 256 in August, 512 in in September, 1024 in October, 2048 in November and 4096 in December! Adding that all together will equal 8190, I believe.