How do i learn marine science if your teacher don't teach it to you but give you the book but you still don't understand it.

Afamily is one another name for a group on the table of elements.

Write a paragraph that provides examples of each stage of volcanic activity, a description of the volcano, and facts about each stage.

Ageologist determines that a sample of a mineral can't be scratched by a steel nail but can be scratched by a masonry drill bit. based on this information, the sample mineral has to be softer than a. orthoclase. b. fluorite. c. apatite. d. corundum.