Examlex
How many permutations of the seven letters A, B, C, D, E, F, G have E in the first position?
Methylmercury
A highly toxic form of mercury that bioaccumulates in fish and shellfish, posing health risks to humans and wildlife.
Nutrient Uptake
The process by which organisms absorb nutrients from the environment to support their growth and metabolism.
Acid Deposition
The falling of acids and acidifying agents from the atmosphere to the Earth's surface, typically as rain, snow, or dust.
Natural Gas
A fossil fuel comprised mainly of methane, used as an energy source for heating, electricity generation, and as a fuel for vehicles.
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