How is science and pseudoscience different ?

Which element is used in photosynthesis found in atmosphere and fixed by bacteria?

Which statement correctly describes a way that mutations increase the likelihood that a species will survive in a changing environment

Monomers are the building blocks of larger molecules, called polymers. for example, proteins are composed of chains of amino acids that are linked together. cellulose is a polymer that makes up plant cell walls. cellulose is made from a chain of c6h10o5 molecules. which monomers are most likely used to produce cellulose? why?