Which is an agent that caused a mutation in dna and chromosomes?
options:
a) nondisjunction
b) karyotype
c) mutagen
d) phenotype

need answer asap

All of them are man made

Interacting group of various species in a common location. for example, a forest of trees and undergrowth plants, inhabited by animals and rooted in soil containing bacteria and fungi, constitutes a biological community.

You should provide a picture to show where the arrow is pointing and which information that is given. but there are 3 branches of the government, legislative, executive, and judicial. legislative makes laws, executives pass laws, and judicial are the courts