The melting of wax is a physical change , yet the burning of wax is a chemical change . What is the essential difference between the physical change and chemical change of wax in a burning candle

At which location in earth’s interior does the top density continue to increase as thickness decreases?

Which statement about the pancreas is not true? a. it is an endocrine organ in the abdomen. b. it release chemicals into the digestive system. c. it releases insulin to increase glucose levels. d. it release hormones into the bloodstream.

What are two examples of conduction that we use everyday