Of the halogens, which has the smallest electronegativity?

2. given that most biochemical (other than coal) rocks react with hydrochloric acid, what does that tell you about organisms?

Which sentence best describes the relationship between chlorophyll and the chloroplast? a.)chlorophyll is a chemical found in a chloroplast. b.) chloroplast is a chemical found in a chlorophyll. c.) both chlorophyll and chloroplasts are found in animals. d.) both chlorophyll and chloroplasts make carbon dioxide.

Which kingdom includes some organisms that have no nucleus and can live in an environment with an extremely high salt content