The term used to describe the number of individuals moving into a population is Immigration.
Coefficients of Absorption for Common Materials
Perforated acoustic ceiling material 60%
Heavy curtains 50%
Carpeting 20%
Wood 5%
Plaster 3%
Clay tile 3%
Concrete 2%
The answer is C. Heavy curtains
Carbon electrons are arranged in a way that makes it possible for them to form long chains. That also helps carbon maintain its properties.
