How do you spell that

1. branch of science concerned with the nature and properties of matter and energy
3. You need rhythm for this class
7. the business of providing hotels, sightseeing spots ect.
10. branch of math
11. a branch of science
14. physical features of the earth
16. another language
17. promoting and selling products
18. scientific study of the human mind
19. a language
20. keeping records and information about money

2. to do with computers
4. branch of math using letters to represent numbers
5. study of the human body
6. a branch of math to do with angles
8. study about your beliefs
9. events from the past
12. what is morally right and wrong for business
13. study about the financial well being of a country
15. studying methods for collecting, analyzing, interpreting and presenting data