Question

1. which of the following methods of handling solid wastes is against the law in the united states? (a) incineration (b) dumping it in open landfills (c) burying it underground (d) exporting the material to foreign countries (e) dumping the material in the open ocean 75. excavating and hauling soil off - site to an approved soil disposal/treatment facility would be an example of (a) sustainability (b) remediation (c) conservation (d) preservation (e) mitigation 76. which of the following statements is false? (a) evidence exists of a dose - response relationship between nonmelanoma skin cancer and cumulative exposure to uvb radiation. (b) individuals, usually those living in areas with limited sunlight and long, dark winters, may suffer severe photo - allergies to the uvb in sunlight. (c) increased absorption of uvb triggers a thickening of the superficial skin layers and an increase in skin pigmentation. (d) there is a relationship between skin cancer prevalence and increases in ultraviolet radiation due to the depletion of tropospheric ozone. (e) acute exposure to uvb causes sunburn, and chronic exposure results in loss of elasticity and increased skin aging. 77. which factor listed below is generally considered to be the primary cause of reduced human life span? (a) aids (b) infectious disease (c) cancer (d) poverty (e) heart disease

Explanation:

• For 74: Dumping material in the open ocean is illegal in the US due to environmental concerns.
• For 75: Remediation involves cleaning - up or treating contaminated soil, which is what excavating and hauling soil to an approved treatment facility is.
• For 76: There is no significant relationship between skin cancer prevalence and tropospheric ozone depletion. Stratospheric ozone depletion is related to increased UV radiation.
• For 77: Heart disease is a leading cause of reduced human lifespan globally.

Answer:

1. E
2. B
3. D
4. E