Question

which causes more harmful environmental effects, mining for an ore, a higher, moderate or lower grade?

Answer 1

Explanation:

Much is already known about the environmental impacts of mining, both on-site ... of northern Saskatchewan, Canada

Answer 2

Answer:

hey mate...

Explanation:

Environmental impacts of mining can occur at local, regional, and global scales through direct and indirect mining practices. Impacts can result in erosion, sinkholes, loss of biodiversity, or the contamination of soil, groundwater, and surface water by the chemicals emitted from mining processes.