Mineral x is scratched by a diamond. mineral x

a. has a mohs hardness of 10
b. can't be scratched by a penny
c. is softer than a diamond
d. must be a precious metal

What are the secondary main characters in aquaman?

Asap will mark geography final plz ! what are the benefits of international aid? (give me the right evidence )

Which of the following best describes the circumstance under which countries block the importation of certain products into their country? a. importation blockade b. trade barrier c. trade inhibitor d. domestic protection act