1. List 3 things that make it difficult for Mark to survive on Mars 2. Why did Nasa not want the crew to know that Mark was still alive?
3. How do you think Marks sense of humor helped him survive? Use 2 example from the movie
4. Explain how Mark is rescued.

The big bang nucleosynthesis theory states that elements were produced in the first few minutes of the big bang while elements have their origins in the interiors of stars, forming much later in the history of the universe.

Which terms are used to identify pure substances

Which of the following is the correct definition of chemical energy? a. energy an object has because of its motion or position b. energy resulting from the flow of charged particles, such as electrons or ions c. energy produced from the splitting of atoms d. energy stored in chemical bonds of molecules