Part 1: describe the mass and surface temperature of the main sequence stars.
part 2: explain using complete sentences where on the hr diagram you would expect to find a main sequence star based on its physical properties.

How have the greenhouse gasses increased from the year 2000 to 2018

How hot is the suns corona? (integrated science)

Ageochemist examines a piece of metal that he found in the soil. he performs tests to identify the metal from its density, electrical conductivity, and melting point. which statement best describes his investigation? a. he is determining physical properties that are sufficient to identify the metal.b. he is determining chemical properties that are sufficient to identify the metal.c. he is determining physical properties that are insufficient to identify the metal.d. he is determining chemical properties that are insufficient to identify the metal.