Questions

The temperature danger zone for the food that cannot be stored for long time is between 5 degrees to 63 degrees centigrade.

Lord Kelvin, working in Scotland, developed the Kelvin scale in 1848. His scale uses molecular energy to define the extremes of hot and cold. Absolute zero, or 0 K, corresponds to the point at which molecular energy is at a minimum. The Kelvin scale is preferred in scientific work, although the Celsius scale is also commonly used. Temperatures measured on the Kelvin scale are reported simply as K, not °K.

T (in °C) + 273.15 = T (in K)

T (in K) − 273.15 = T (in °C)

The Mayans were an ancient civilization located in what is known as Mesoamerica, a geographical region comprised of Mexico and parts of Central America. They were extremely adept in matters of mathematics, astronomy, and art, and architecture.

The Mayan pyramids and temples were built with bricks and covered with limestone.

Chaparral biome is also called Mediterranean. The chaparral biome is a part of each continent and consists of various types of terrain including mountains and plains. It is often confused with the desert biome because they share many similarities such as both being hot and dry. The chaparral biome receives more rainfall per year than the desert biome.

Bronze is the mixture of is a mixture of copper and tin. The composition is copper is 88% and tin is 12%.

It is due to the deficiency of Vitamin A. Retinol which is present in vitamin A. Its deficiency causes night blindness. It is available in carrots.