Humanistic views spread rapidly during the renaissance period because a. authors could reproduce books b. inquisitors spread humanistic ideas c. advanced road systems were developed d. church leaders preached humanistic views

I would say it is A if this is k12

Maybe a horizontal because its a pattern

Geothermic gradient is the rate of increasing temperature with respect to increasing the depth in the earths interior. away from tech tonic plates boundaries, it is about 25-40 c/km (72-87 degrees f/mi) of depth near the surface in most of the world.