Scientists thought it was a meteor that wiped out the dinosaur species.
The answer is D. It is smaller I think . I'm guessing from memory
The Answer Is C. Norfolk Is Less Humid And Has Higher Precipitation Than San Francisco.
Reasoning San Francisco Has Less Rainy Days
Norfolk Has More Rainy Days But Less Sunny Days Not Being Able To Cause As Much Humidity In The Atmosphere.
The correct answer is A. silica.
The amount of silica found in the magma determines the viscosity. The higher the silica in magma, the higher the viscosity of a magma. So the correct answer is silica. It is not among the other choices.