What does r-value mean for windows?

Is even more difficult to analyze because of the lack of cues in computer mediated communication.

Which of the following was a key accomplishment of the people of songhai? a. they had a strong military and became the largest empire in west africa. b. they established a center of islamic scholarship. c. they worked with iron and prospered from the gold-salt trade. d. they dominated in the trade of ivory, enslaved people, and animal skins.

Why was washington a logical choice to be commander in chief of the continental army?