Which type of soil is the most permeable

Which zone within the open-ocean zone is home to the most organisms? deep zone surface zone intertidal zone transition zone

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.

What kinds of molecules can pass through the cell membrane without any problem?