Which of the following has the longest wavelength?
a. violet
b. ultraviolet radiation
c. red
d. infrared radiation

Infrared radiation

Explanation:

The elecromagnetic spectrum is a group of waves that results from electromagnetic vibrations.

In the spectrum, the frequency of the waves increases as their wavelengths decreases. The spectrum is shown below:

Radio waves  Microwaves Infrared Visible light  Ultraviolet Xrays

water and alcohols have similar properties because water molecules contain hydroxyl groups that can form hydrogen bonds with other water molecules and with alcohol molecules, and likewise alcohol molecules can form hydrogen bonds with other alcohol molecules as well as with water.

metric time was an attempt to create a standard unit of time based off of 10, but it never took off an is not included in the metric system (si)