Author Question: If we use the concept of total product life cycle in regulating hazardous waste, we are A) ... (Read 12 times)

skymedlock · **on:** Jul 16, 2018

If we use the concept of total product life cycle in regulating hazardous waste, we are

A) ensuring that no hazardous materials are used in manufacturing a product.
B) looking at every step of product manufacture for the control of any hazardous waste.
C) reducing the useful life span of a product in order to eliminate hazardous waste.
D) concentrating on the toxic materials in production, not in the disposal of a product.

Question 2

Describe why fluids are important in the formation of a metamorphic rock.

What will be an ideal response?

deja · **Reply #1 on:** Jul 16, 2018

Answer to Question 1

B

Answer to Question 2

Fluids can either enter or leave the metamorphic rock, for example due to hydration or dehydration reactions. Fluids can deliver or remove dissolved ions. Fluids can make metamorphic reactions occur faster and more easily. The fluids can originate within the parent rock or introduced into the metamorphic environment.