5) compare chromatin to chromosomes.

Explanation:

Chromatin is the DNA when it is loose and all jumbled up while chromosomes are when the chromatin becomes more tight and ordered and forms something similar to an X

the answer to your question is c.

if you read the house of usher you should know that the house was haunted

the correct option is c.

isotopes refers to different forms of the same element with the same atomic number but different mass number as a result of difference in their neutron numbers. isotopes have different relative atomic mass but share the same chemical properties.