Pure science is best defined as the? study of the makeup of living things. continuing search for new knowledge. use of science to solve human problems. application of scientific knowledge.

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?

What percentage of light hits earth's surface directly?

When a human or animal consumes food, the carbon in that food is most likely to be converted into which of the following elements? a. carbon remains carbon b. nitrogen c. oxygen d. hydrogen