Aluminum is an element that is found in the Earth’s crust. Aluminum is soft, durable, lightweight, non-magnetic and ductile in nature and because it is highly reactive in pure form, it is combined with over...

Algae, or singular: alga, are a group of simple, typically autotrophic organisms, ranging from unicellular to multicellular forms. Seaweed and fresh water moss are types of algae. Fungi are a group of...

Revenue is the amount earned from a company’s main activities such as selling merchandise or providing services. Income is the money left for a business after it subtracts costs and expenses from its revenue.

Incandescent light bulbs produce light by an electrical current heating up a tungsten wire filament inside a glass bulb. Fluorescent light bulbs heat up mercury vapor to produce light.

Happiness is the state of bliss in the heart or mind, while satisfaction is the state of contentment.