D. strings because if you have a ¨concert band¨ with strings in it then it is called an orchestra.
Answer:
Mutation.
Explanation:
All adaptations begin as a genetic mutation because these adaptations passed from one generation to another generation through genes of that organisms. Organisms that are adapted to their environments and survive more better, it will produce more offspring in which that genetic characteristics are transmitted from the parents so we can say that genetic mutation is responsible for adaptations.
Solar power/energy or hydroelectric plants
Answer: because as CO2 acts as a green house gas is absorbing rather than reflecting the heat energy received where infrared radiation is simply radiation emited by heated /hot body
