Data formats are constantly changing. What challenges does this present for historians? For a given document, movie, or audio file, what are all the component pieces that need to be preserved along with it? Can you open and read a Microsoft Word or Excel file from 1997? this is for my Ap computer science principles.

Which body region is lateral to the sternal region and superior to the brachial region?

Indicates a bal of .08 or higher. a. compulsive behavior b. weakened vision c. reduced control of vehicle speed d. loss of judgment

Which of these is a disadvantage of hydrogen fuel cells? a. engines that use hydrogen fuel are more efficient than gasoline-powered engines. b. the only emission produced by hydrogen fuel cells is water. c. hydrogen fuel is continually available and useful for heating. d. hydrogen fuel is often purified in a process that emits lots of greenhouse gases.