Which statement describes ozone?

a.
it forms a part of the upper atmosphere known as the ozone layer.
b.
it is a type of oxygen that is milky white in color.
c.
it consists of five oxygen atoms, making it a highly reactive molecule.
d.
a single ozone molecule can stay in the atmosphere for 100 years before it gets destroyed naturally.

What is the difference between bacterial infections and viral infections?

Four different thermometers were used to measure the temperature of a sample of pure boiling water. the measurements are recorded in the table below. thermometer temperature reading 1 temperature reading 2 temperature reading 3 w 100.1°c 99.9°c 96.9°c x 100.4°c 102.3°c 101.4°c y 90.0°c 95.2°c 98.6°c z 90.8°c 90.6°c 90.7°c the actual boiling point of pure water is 100.0°c. what can be concluded from the data about the reliability and validity of the thermometers?

Which of the following was not a major animal on land during the carboniferous period? amphibians insects both a and b none of the above