The only example among these that is a water-conservation technique that also reduces water pollution is c) factories reusing cooling water instead of returning it to a river.
Answer:
D
Explanation:
Silver is a metal with high conductivity ....
Hope its right !
Answer:
helium , krypton,xenon,radon, argon are noble gasses
Well because the lowest possibility of having a decen is 3-decene so 6-decene is not possible. Hope this helps!! :)
