B is correct answers because metal have less reactive
It's D because I know bcz I'm smart 8 times 8 is 60-nart
Answer: 0.052torr
Explanation: Please see attachment for explanation
Answer: -
None of these are correct
Explanation: -
Solar prominiences are the trapped gases within the sun.
It extends outward into the sun's corona.
They consist of plasma cooler than that in corona.
They last from a day to even several months.
They are caused as a result of magnetic forces.
Solar prominences can extend over thousands of kilometers. Prominences vary considerably in size, shape, and motion.
They are of two main types, active and quiescent.