Biomagnification a. causes a 90% loss of synergy higher on the food chain
b. is caused by the ecological succession from a disturbed area to a climax community
c. is introduced into an ecosystem through nonpoint pollution sources
d. happens when an increased concentration of a substance accumulates in body tissues
e. is the transportation of pollution from one ecosystem to another

An object accelarates from rest to a velocity of 2.4m/s over a distance of 16m what was its accelaration

Based on what you've learned about the professions, which ones appeal to you as a potential career and why? if none interest you as a future career, indicate another career you're interested in and explain why that career interests you.

A. describe the model of urban structure most often observed in mega-cities in developing countries. explain how this model differs from common urban structures in north america. b. describe at least two factors leading to the growth of mega-cities in developing or least-developed countries. c. identify and explain two factors that led to the formation of squatter settlements in mega-cities in developing countries.