Finish the following sentence with the best choice: What are the best conditions to cure concrete when making a concrete countertop?

Choices:
- The ideal curing conditions are in a humid, shaded area between 70 and 90 degrees fahrenheit.
- The ideal curing conditions are in a humid, shaded area between 70 and 90 degrees celsius.

Answer:
The ideal curing conditions are in a humid, shaded area between 70 and 90 degrees fahrenheit.