Which ecological inquiry method is an ecologist using when he or she enters an area periodically to count the number of a species?

what's the question?

"d.) carbon dioxide and hydrogen sulfide"

there's the proffessional site that will you.

the dna of humans and mice is almost 92% similar. this similarity indicates that . mice have a tail, while humans have a tailbone. the tailbone is a structure in humans.yes it's true.