What would be the consequence of an ecosystem that had nitrogen-fixing bacteria?

Embryonic stem cells are cells derived from an embryo. these cells can be used to create new tissues for patients suffering from certain illnesses and disorders. which statement best summarizes why the use of embryonic stem cells could be seen as unethical?

The process by which natural forces move weathered rock and soil brim one place to another is called

Where in the cell are ribosomes made?