Question

guided practice
one way to reduce the extent and negative impacts of mining on the environment is to ______.
a. reduce aerial photography
b. do more dredging
c. use more iron
d. recycle metals

Explanation:

• Option A: Aerial photography is a survey tool for mining, not a way to reduce mining's environmental harm.
• Option B: Dredging is a mining method that disturbs aquatic environments; doing more increases harm.
• Option C: Using more iron would require more mining, worsening environmental impacts.
• Option D: Recycling metals reduces the need for new mining, thus lowering mining's negative environmental effects.

Answer:

D. recycle metals