(last one)

which characteristic is used to measure the amount of light radiated by a star?

size
color
luminosity (i chose this one)
temperature

Which term refers to the total dollar value of the goods and services produced in a country in a year?

Which of the following occurs most often in a population when genetic variation and overproduction are present? some organisms have a lower reproductive success than others. some organisms have a higher reproductive success than others. some organisms have no reproductive success. some organisms do not have genetic variation.

All organisms contribute some water to the water cycle by conducting