<span>The most common contaminant to be found in drinking water is microorganisms, nitrate and arsenic. Though water quality and monitoring has come a long way over the past few years, viruses, bacteria and protozoa like giardia lambia can be found in the water and often leads to wide spread illnesses.</span>
An object in an electrical circuit resists the flow of energy called a B. Resistor.
The name "resistor" implies that the resistor resists the flow of energy. We can calculate the amount of resistance across a resistor.
B.metric system of measurement.
a system of physical units ( SI units ) based on the meter, kilogram, second, ampere, kelvin, candela, and mole, together with a set of prefixes to indicate multiplication or division by a power of ten.
Answer:
an introduced species.
Explanation:
An introduced species, often referred to as exotic species or invasive species, is term that describes species of either plants or animals that are not native to the place ore area in which they are being introduced, either as a result of accident or deliberate movement by human activity or external factors.
Common examples of animals that are introduced species are:
gypsy moth in eastern North America, the zebra mussel and alewife in the Great Lakes, the Canada goose and gray squirrel in Europe etc.
Notable example of introduced species of plants are:
the kudzu vine, Andean pampas grass, and yellow starthistle.
Hence, Purple loosestrife, Lythrum salicaria, being native to Europe, and taken to United States, is considered to an introduced specie.
Answer
One way is that we have increased the amount of CO2 (carbon dioxide) in the atmosphere.