A teragram (Tg) is a unit of mass in the metric system, specifically in the International System of Units (SI). It represents one trillion grams or 10^12 grams. The metric system is a decimal-based system of measurement used worldwide, and it offers a convenient way to express both large and small quantities of mass.
To give you a sense of scale, here are some common mass comparisons involving the teragram:
Teragrams are typically used in scientific and environmental contexts, especially when discussing large quantities of substances like water, soil, or air pollutants. For example, the total mass of carbon stored in forests on Earth might be expressed in teragrams, or the annual emissions of a greenhouse gas could be measured in teragrams per year.
In the United Kingdom, a "quarter" is a term commonly used in the context of weight or mass, especially in agricultural and trade settings. A "quarter" in the UK refers to a quarter of a hundredweight (cwt).
In the United Kingdom:
1 quarter (UK) = 28 pounds (lbs)
So, when you see "quarter" used in the context of weight or mass in the UK, it generally means 28 pounds. This term is frequently used in the sale and trade of agricultural products and livestock, where quantities are often expressed in multiples of quarters. It's important to note that the UK quarter is different from the US quarter, which is 25 pounds.