Answer:
I would have to say dirt: grass
Explanation:
I think this not just because I don't know the answer its because you said page: book and they are close to each other so dirt: grass are close to each other.
It seems as though the Author's purpose is to appeal to a reader's sense of positivity.
You can recognize this spider by its white stripe markings on its legs and body. The aedes aegypti mosquito is also called the yellow fever mosquito. Unlike most mosquitoes it bites in daytime and indoors as well as outdoors. This mosquito also can carry dengue.