Do molecules move in a solid substance? make sure you support your answer with good reasons and examples.

Which of the following is not a possible effectof increasimg carbon dioxide levels in the atmosphere ?

The combining form leuk/o means red 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.