Answer:
C: disease symptoms with varying severity based on genetic background
Explanation:
The chromosomes are composed of two under normal conditions but a genetic disorder in which a person has three copies of a chromosome instead of two is trisomy of the chromosomes and it will definitely lead to a disease syndromes.
Answer:
well most likely pumice from ash but type is, igneous is primarily formed from volcanoes, hoped that helps
Explanation:
