Diamond is a a nonmetallic element b an isotope of silicon c the hardest mineral on the mohs scale d the only mineral with luster

The answer is C the hardest mineral on the mohs scale

C because people talk about how diamond is hardest substance/mineral

While winters are rainy, summers are dry. regions with this climate are usually in the eastern part of the continents. they experience hot, humid summers and colder winters. precipitations have a regular distribution throughout the year, but hurricanes are common.