what do chlorine gas, chloroform, hydrochloric acid, chloramines, organic peroxides peracetic acid have in common?

The grooves or folds of the brain are called

Scientists often have to deal with numbers that are either very large or very small. for example, the radius of the sun is approximately 696,000 kilometers, while bacterial cells are as small as 1.9 × 10-4 millimeters. express each number in an alternate form.

Mr. rose asked his student to draw a quadrilateral with four unequal sides. an example of this kind of quadrilateral