After this on the closest start to earth is Proxia Centauri The next closest store is called Rigel kentarus It is about 4.3 my ears from earth how many process away is Rigel kentaurus

What type of weather does tropical continental air bring in summer? hot and cloudy cool and sunny hot and sunny cool and cloudy

Lactase is essential for digesting lactose in milk. this enzyme is specific for this sugar. why? molecules and active sites vary in size; only properly sized molecules can fit. there is a precise compatibility between the active site and the lactose molecule. specificity refers to the action of the enzyme, such as hydrolysis, and relatively few molecules can be hydrolyzed. reaction-specific enzymes assume a fit by folding around the most numerous substrate molecules.

The image shows a group of fish. the type of social behavior shown in the image is called