Given a scientific question, generate a correct answer to it.

Example Input: Like bacteria, archaea can have what to assist with movement?
Example Output: flagella

Example Input: What is the name of the "point" that refers to the temperature at which water vapor condenses?
Example Output: dew point

Example Input: What type of bonds are the attractive forces between the positively charged nuclei of the bonded atoms and one or more pairs of electrons that are located between the atoms?
Example Output:
covalent