All other things being equal, the faintest star one can see through a 10m diameter telescope is 10 times fainter than the taintest star one can see through a 1m diameter telescope.
true or false?

The denmark sound is a busy but water way

In the 1400s, portugal’s economy was based on a. industry b. exports c. finance d. trade

Plz answer ! find the alps. what countries and country borders intersect this major mountain range? which borders seem to be defined by the edges of the mountains? which borders seem to be defined by the edges of the mountains? which borders cut across the mountains?