I believe it should be true, please correct me if im wrong
It some back to earth since gravity pulls it down
Beyond durability, cockroaches are built to play defense. They have an exoskeleton to protect their soft bodies, and will hide whenever they're in the process of molting their exoskeleton. The exoskeleton is not only rigid but flexible to allow the roach to crawl into tiny crevices. Their legs are built for running
<span>A trait that improves the fitness of its bearer, compared with individuals without the trait.</span>
NACL is the correct answer