C'D' is a translation of CD. Write the translation rule.​

Based on current rates the earths human population is expected to grow how much by 2050

What is the biggest country in south america?

The caste system in india was used for what purpose? a) to ensure that all people had an adequate income b) to prevent the rich from taking too much power c) to provide social control and conformity according to one’s birth d) to draft a military capable of defending india from mongol invasion