An engineer chooses to use a composite material that incorporates concrete and recycled glass for the floors of a new building. this is an example of

The answer is green design.

That is When an engineer chooses to use a composite material that incorporates concrete and recycled glass for the floors of a new building. This is an example of green design.

As this kind of design will not harm environment and as we use recycled product so harm to the environment can be minimized.

the correct option is c.

isotopes refers to different forms of the same element with the same atomic number but different mass number as a result of difference in their neutron numbers. isotopes have different relative atomic mass but share the same chemical properties.