I’m confused which one is right ?

Covalent bonds are formed between metals and boiling points true or false

2. which of the following statements does not accurately describe stem cells? a. embryonic stem cells make up the inner cell mass of a blastocyst. b. with more research, stem cells may be used to repair or replace damaged cells. c. the use of stem cells is without any objections since it can be used in therapies to humans. d. adult stem cells are multipotent and can differentiate into many types of cells.

Where is most of the fresh water on earth found a in the ocean b in glaciers and in ice caps c in rivers d in the soil