Weather Forecasting Accuracy Has Improved Due to

Multiple Choice

Weather forecasting accuracy has improved due to

A) advancements in weather modeling,including 2-D models.
B) advancements in computer technology,including the High Performance Computing System.
C) the use of radar to analyze temperatures from the surface to high altitudes.
D) an increased density in sampling and monitoring stations across all of North America.
E) Despite improvements in technology,weather forecasts have not improved.