Bones in your joints are covered with a smooth and slippery material called cartilage. true or false.

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?

Is a measure of the different types of organisms in a community. question options: tertiary secondary primary none of the above

Which coal field location is related to coal fields in the eastern united states and supports the theory of continental drift? eastern india southern africa western australia northern south america