Question

A mixture of Portland or blended cement, Portland cement or blended cement and hydrated lime, masonry cement or plastic cement and aggregate and other approved materials as specified in the code.

Answer 1

The subject of this question is Engineering, specifically the materials used in construction such as cement and concrete.

Step-by-step explanation:

The subject of this question is Engineering. Specifically, it pertains to the materials used in construction, such as cement and concrete. Cement is a binder that binds sand and gravel together to produce mortar or concrete. Concrete is a composite material made of aggregates bonded with a cement paste that hardens over time.