In 3–5 sentences, identify one human activity that has increased the amount of lead in drinking water. then explain the water filtration method best suited to remove lead from the drinking water supply.

materials water oxygen those are the things i can think of in this moment.

the rocks are classified by the geological process they are formed by. the three main groups of rocks are igneous, metamorphic, and sedimentary. minerals are not they are classified under the chemical classes they are in. these groups include silicates, sulfates and carbonates.

what are the options? add them, then i will be glad to .

some inherited genetic mutations can be good for the offspring, so the answer is different genetic mutations cause many forms of cancer.