Will give brainliest! Use the diagram to answer the question.
Which piece of spectral data is necessary to determine the spectral class of a star?

a. absolute magnitude

b. apparent magnitude

c. temperature

d. luminosity

When many atoms are split in a chain reaction, a large explosion occurs. this is an example of what type of energy conservation

Ascientist is tracking an object orbiting the sun that is found between mars and jupiter. in order to classify the object as an asteroid, it must be at least

You are a sales representative for a company that makes a new alternate fuel for vehicles. you have prepared a presentation for the environmental engineers to sell your new product. what question do you expect the audience to ask regarding whether the new fuel will cause less damage to the environment? a. do we have to change any parts of the vehicle to use this alternate fuel? b. will the vehicles get better fuel mileage with the alternate fuel? c. how much greenhouse gas does your fuel produce compared with current fuel sources? d. is the alternate fuel more expensive than fossil fuel?