Concrete is the world's most popular __________ building material.

Concrete is used throughout the world every day in commercial, residential and industrial projects, but it doesn't occur without a little help from people. Besides being used for things like construction and roadways, it is also being used for high-end residential finishes such as countertops and fireplaces.

Asked by Jennifer Sinclair · Last updated 5 years ago · 7.9K views · SOURCE