1. Describe how with different doses of essential metals, health functionality can be affected?
2.According to the WHO/International Agency for Research on Cancer (IARC) website, which of the following statement(s) is/are true:
Evidence was limited among users of wireless telephones for glioma and acoustic neuroma
Evidence was inadequate to draw conclusions for other types of cancers
Evidence from the occupational and environmental exposures was judged inadequate
WHO/IARC has classified radiofrequency electromagnetic fields as possibly carcinogenic to humans (Group 2B)
All of the above
3. (a) What is waste hierarchy?
(b) Rank the different ways to waste disposal based on this hierarchy.
4. What does the "USDA Organic" seal mean?
(b) If you could afford to buy **some** organic produce, what type of produce would you buy organic and WHY?