Magic acid is a superacid consisting of a mixture of fluorosulfuric acid (HSO3F) and antimony pentafluoride (SbF5) most commonly in a 1:1 molar ratioMagic acid and other superacids are also used to catalyze the isomerization of saturated hydrocarbons and have been shown to protonate even weak bases, including methane, ... Read More

The stimulus is a thing that provokes a response or an activity, or that causes organs or tissues in the body to react in a certain way.Stimuli may come in different formats including audio, visual, or physical.The sudden glow of bright lights causes your eyes to shut. This is an ... Read More

Bedrock is deposit of solid rock that is typically buried beneath soil . Therefore it has a series of colour which changes as a result from differences in mineral composition.Eg:Sandstone bedrock have orange colour, granite may be purple in colour

• O horizons are soil layers with a high percentage of organic matter.• The O horizon is the upper layer of the topsoil which is mainly composed of organic materials such as dried leaves, grasses, small rocks, twigs, surface organisms, fallen trees, and other decomposed organic matter.• It contains about 20 to ... Read More

• O horizons are soil layers with a high percentage of organic matter.• The O horizon is the upper layer of the topsoil which is mainly composed of organic materials such as dried leaves, grasses, small rocks, twigs, surface organisms, fallen trees, and other decomposed organic matter.• It contains about 20 to ... Read More

Relative humidity refers to the water vapor present in the air. It gives us how much vapor in the air compared to the actual amount that must be present at that temperature. For example, relative humidity of 20 percent means that the air is holding one-fifth of the water vapor ... Read More

Concave mirror  is a spherical mirror where the mirrored surface is on the inside of the spherical curve, also known as converging mirror.It has a real focus.The magnification of a concave mirror can be greater, equal or less than 1.Convex mirror is a spherical mirror where the mirrored surface is ... Read More

Although algae are plant-like in preparing their own food, they lack many structures like roots, stems, leaves, tissues, etc. Algae usually survive near the water surfaces or underwater. However, most of the plants can thrive on land. Plants are multicellular, while algae can be either unicellular or multicellular. Due to ... Read More

Growth means the increase in the mass of an organism.Living things grow in order to successfully survive and reproduce. Growth and development allow organisms to differentiate themselves so they can fill a niche and be successful. This leads to survival and, ultimately, reproduction of their own kind.

The Pole Star is directly above Earth's North Pole. Since it is directly over the North Pole, it is the only star that doesn't appear to move. since it stays in the same place all through the night and year, it also assists humans in finding north. It is also ... Read More