Select all that apply to colloids.

A colloid is a mixture intermediate between heterogeneous and homogeneous.
The Tyndall effect is a test to determine whether or not a mixture is a colloid.
Colloids can be seen using an optical microscope.
Fog and smoke are examples of colloids.
Colloids cannot be separated by filtration.

City a and city b had two different temperatures on a particular day. on that day, four times the temperature of city a was 8â° c more than 3 times the temperature of city b. the temperature of city a minus twice the temperature of city b was â’3â° c. what was the temperature of city a and city b on that day? city a was 5â° c, and city b was 4â° c. city a was 3â° c, and city b was â’1â° c. city a was 8â° c, and city b was â’3â° c. city a was 5â° c, and city b was â’5â° c.

Working with si (metric) units for each of the following commonly used measurements, indicate its symbol. liter gram milliliter kilogram meter centigram milligram centimeter kilometer second millimeter milliseconds

What term is missing from the central region that describes hypotheses, theories, and laws? popular predictable mathematical falsifiable