Example of what does future scientist think about the universe

Which statement best describes how private industry decides where to spend the money on research and development

Zeros that follow non-zeros numbers and are also to the right of a decimal point are significant

15. give an example for some particles or waves that are moving faster than light in everyday life 16. what is a laser? 17. what is an oscilloscope? 18. what does it means practically that nothing is faster than light in vacuum? 19. what is vacuum?