Abasic observation of a star is how bright it appears. this brightness is known as the star's
a. apparent magnitude.
b. absent magnitude.
c. its not c.
d. absolute magnitude.

Which biochemical cycle is relied upon for plant photosynthesis

Which statement explains what upwelling causes? a. upwelling causes tides to rise and fall. b. upwelling causes changes in the direction of currents. c. upwelling causes nutrients, minerals, and tiny organisms to rise. d. upwelling causes currents in the pacific ocean to change direction. i think the answer is c.

What happen to eastern europe after ww2