What three basic steps to we follow to extract dna from a cell?

Which of the following is not a food produced in rainforests? a) coffee b) cocoa c) avocados d) wheat

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.

Why does the earth spin slowly, not faster? is it possible to prove it scientifically? can you prove it with math?