What is the essential reaction taking place in a hydrogen fuel cell? Give the word and balanced chemical equations for the reaction.

Which best compares habitat and niche? o niche is a place in which organisms live, and habitat is the way in which an organism fits into its habitat.o habitat is a place in which organisms live, and niche is the way in which an organism fits into its habitat.habitat is a group of organisms that live in an area, and niche is a specific species that lives in that areao niche is a group of organisms that live in an area, and habitat is a specific species that lives in that area.

Which of the following types of rock would most likely contain a fossil? slate granite lava rock limestone

Is there any species that went extinct in recent years due to natural causes (not caused by human interaction). if so, what caused it?