Which of the following is a current group of living sponges? answer glass demosponges clacareous all of the above

affects the water bodies: excessive use of fertilizers causes eutrophication. the fertilizers which are used on plants affect the quality of land on which it is used, further causing erosion of soil. the fertilizers used on plants contain harmful chemical fumes which affect the environment.

to this one it would be receptive field

ever get the answers? im stuck on this as well

answer(isometric);