The conclusions, ideas, or theories which are published in technical publications by professional scientists are always correct. a. true b. false

Which process is involved in growing crops? irrigation transportation recreation condensation

The concept of keystone species is controversial among ecologists because most organisms are highly interdependent. if each of the trophic levels is dependant on all others how can we say one is most important

The terrestrial planets are characterized by having a a.) silicate core b.) iron-rich silicate core c.) iron-rich metallic core d.) none of these