Llamas are taller and have longer face with long banana-shaped ears. While, Alpacas are shorter and have a more blunt face with small pear-shaped ears. Llamas are found in higher altitudes and Alpacas are...

The primary difference between an artery and a vein is that arteries are blood vessels that carry blood away from the heart, while veins are blood vessels that carry blood toward the heart.

The primary difference between the two is the fact that stainless steel is a chromium based steel alloy, whereas mild steel is a carbon based steel alloy. Mild Steel is also known as carbon steel due to the...

A stent is a small metal or plastic tube that has a mesh like pattern. It is placed in blocked or narrowed arteries that are obstructing blood flow. The stent then keeps the artery open which allows the blood...

A solar flare is a sudden flash of brightness observed near the Sun's surface. It results in an emission of X-rays and energy. CME are types of explosions that occur on the surface of the sun. A CME...