Both use the scientific method to an extent and are a way of scientific exploration.
Answer:
The boundary between two air masses that have different temperatures or humidity. In the mid-latitude areas of the Earth, where warm tropical air meets cooler polar air, the systems of fronts define the weather and often cause precipitation to form.
Explanation:
Scientific definition for front
Fossils fuels are bad for the environment because it emits air pollutants that are bad. When fossil fuels are burned it causes something called Sulfur dioxide, which causes acid rain.
ERGONOMIC keyboards such as "Microsoft Natural Keyboard" can help prevent injuries from using the keyboard for long periods of time. Posture related injuries result from long use of laptops and computers. The ergonomic keyboards are easily adjustable by adjusting height in a particular angle.
