Which age-structure pattern reflects a population with a declining population? A) the pre-reproductive, reproductive and post-reproductive age classes are of equal sizes

B) the pre-reproductive age classes are larger than the reproductive or post-reproductive age classes

C) the reproductive age classes are smaller than pre- and post-reproductive age classes

D) the youngest, or pre-reproductive, age classes are the smallest

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.

this age may represent the age of the earth's accretion, of core formation, or of the material from which the earth formed. this dating is based on evidence from radiometric age-dating of meteorite material and is consistent with the radiometric ages of the oldest-known terrestrial and lunar samples.

i won't lie i don't know so go online and ask google thats what i do