Science Completed 3

Overview

This week, we learned toxicology, plate tectonics, environmental hazards, the rock cycle, and contagious diseases. For your Unit 3 Complete assignment, write a narrative essay (minimum 1000 words) in which you address and discuss the questions and statements listed below. Use at least three scholarly sources and remember to demonstrate a thorough understanding of the READ and ATTEND sections in your essay. Cite your sources in APA format. ATTACHED IS A PDF FOR THE APPROPRIATE CHAPTERS TO READ. PLEASE READ AND REFERENCE CHAPTERS 10-11

Discuss the four major types of environmental health hazards. Where does BPA fit in these categories and how can you get exposed to it?
• Thoroughly explain the precautionary principle.
• Many people across the world die from exposure to infectious diseases. Why are the numbers so much higher in developing countries than they are in developed countries?
• In what ways does affluence affect the natural environment compared to how poverty affects the natural environment?
• Differentiate between an LD50 and an ED50 response to toxicity.
• Thoroughly describe the rock cycle and tectonic plate movement.