find the hydrogen ion and hydroxide ion concentration in 0.02mol\dm³ solution of tetraoxosulphate (vi) acid​

Why does the sun appear to be the brightest star in the sky? a- its apparent brightness is much greater than other stars. b- it burns more gas, making it brighter than any other star. c- it is the largest star in the galaxy, so it is the brightest star. d- its relative distance to earth is closer than the other stars.

Stage in which a typical star has completely stopped fusion

In pqr m< p=60 m< q= 30 and m