Groundwater supplies can be easily contaminated by surface mining of coal ALL BUT ONE may be how surface mining might adversely affect groundwater conditions.
es )
A)
direct dumping of tailings and effluents into rivers
B)
water used in the chemical extraction of metals, commonly contains
process chemicals
water which has trickled through solid mine wastes may contain dissolved
minerals, process chemicals, and/or metals
D)
technologies used to control water flow prevents contamination

What is the name of the ocean current that affects the british isles? how does it influence their climate?

What is the amount of organic matter in all living organisms in a habitat called?

Why might a single rock layer exhibit different types of sedimentary rocks within it? view available hint(s) why might a single rock layer exhibit different types of sedimentary rocks within it? such a rock layer, termed a facies, when traced laterally represents a variety of depositional environments that formed in a sequence over time. such a rock layer, termed a facies, when traced laterally represents a single depositional environment that formed over time. such a rock layer, termed a facies, when traced vertically represents a variety of depositional environments that formed at the same time across a broad area. such a rock layer, termed a facies, when traced laterally represents a variety of depositional environments that formed at the same time across a broad area. such a rock layer, termed a facies, when traced vertically represents a variety of depositional environments that formed in a sequence over time.