Through cellular respiration animals produce carbon dioxide which is used for the calvin cycle in photosynthesis of plants.
Egenuity says the answer is A. Cognitive processes are private and unobservable. ^-^
The substance that helps keep the integrity of the bacterial cell wall intact is known as the peptidoglycan. Others also refer to is it as murein or mucopeptide. The bacterial cell wall is necessary for survival because of the high internal pressure present inside of bacteria. Under normal conditions, if the cell wall is removed the bacterial cell will burst.
The peptidoglycan is a layer that can be used to distinguish gram positive bacteria from gram negative ones. G(+) bacteria have a thick layer of this while G(-) have a thinner ones.
Cryptozoology is considered pseudoscience, which means 'false science.'. Keeping that in mind, one could say that cryptozoology is D. It is based on anecdotal stories and not on evidence.
