how is input from the left and right visual fields transferred from the retina/optic nerve in each eye through the optic chiasm?

i think it would be b. tissue because an organ system is a group of organs that work together to perform one or more functions. each does a particular job in the body, and is made up of certain tissues.

they had the law tat factories that produces smoke cannot be built near residential buildings.

building of proper sewage system was done to ensure that the waste is carried away from the humans so that they do not get diseases from it.

also they built water systems to provide water in those areas which are drought prone.

examples of nucleic acids are deoxyribonucleic acid (dna) and ribonucleic acid (rna).