Introduction.
A book's introduction is closely related to the content of the book itself. Usually found in nonfiction work, the introduction may summarize the main argument presented in the rest of the book, define any important terms, or fill in background details.
Answer: Explicit
Explicit means clearly said
Answer:
Because we are sisters, our memories are inextricably linked to each other.
Explanation:
The word inextricably can be understood as a bond or connection that cannot be distinguished or separated. Here, the sentence that used the word 'inextricably' correctly is 'Because we are sisters, our memories are inextricably linked to each other.'
This is because we know that sisters normally share a bond that is intrinsic and inborn. So using the word 'inextricably' in this sentence makes it more meaningful as it can connect the the idea that 'sisters are indeed inseparable' and share a bond that is indistinguishable.
B. If it rains is a subordinate clause