Which of the following are not a part of a molecule of dna ? a) deoxyribose b) nitrogenous base c) phosphate d) ribose

This is the diveristy of ecosystems natural communites and habits it is the variety of ways that species interact with each other and their environment

Ecologist have observed a sharp increase of sulfur dioxide in the air . what might be a possible consequence of excessive sulfur dioxide in the air ? a. acid rain b. ozone layer depletion c.ozone layer hole d.increase in sea levels

Explain why biological control methods are generally environmentally superior to chemical pest control methods.