Question

Class-7 Answer fast please define it ,​

Answer 1

manuscripts- a book, document, or piece of music written by hand rather than typed or printed

ecosystem- a biological community of interacting organisms and their physical environment.

population density- Population density is a measurement of population per unit area, or exceptionally unit volume; it is a quantity of type number density. It is frequently applied to living organisms, most of the time to humans.

public protest- A public protest is a means for people to complain in a public way about something they think is wrong and build support to correct it.