B is the compound because a compound is two or more different atoms that combine.
Gravitational is only attracted and electromagnetic is both atrractive and repulsive since it depends what you are talking about
Answer;
He conducted an experiment with breeding pigeons.
Explanation;
The pigeons provided the perfect animal to test his theory of selection for quite a number of reasons including its trait diversity from wing structures to color patterns to size to flight patterns. From these experiments he concluded that by natural selection of randomly occurring traits that make species better suited for survival and reproduction, evolve in the astounding diversity of organisms on Earth today.
The only part of the two answers that is correct it the second part of answer A) which says “Release enzymes that digest cells.”
The other answers are not correct because...
*Fungi CAN be single and multicellular organisms.
*Fungi doesn’t have chlorophyll there for it doesn’t have the ability to do photosynthesis.
*Fungi does have the ability to attach to hairy areas.