Why did the Han send military patrols to the Silk Road? -to guide Europeans who were immigrating to Chinat

-to stop barbarians from attacking nearby towns

-to protect merchants who brought business to Chinato

-to carry messages back and forth to and from allies
HEL PLEAS

terms in this set (38) portuguese explorer. in 1497-1498 he led the first naval expedition from europe to sail to india, opening an important commercial sea route.(sailed around africa to india).portuguese navigator who sailed around the cape of good hope and reached the west coast of india in search of spices.

uses : -

1.aneroid barometers primarily measure whether pressure is rising or falling.

2.aneroid barometers are often used for reading pressure in homes and recreational boats.  

3.other uses may include barographs in meteorology and altimeters in modern aircraft.  

4.this type of barometer can announce whether a high or low pressure system is coming or whether it is becoming more intense.  

5.there are different types of aneroid barometers, such as the altimeter, which measures altitude, or distance above sea level.  

6.another example is a barograph, which is a modified aneroid barometer that provides constant readings of atmospheric pressure on graph paper.  

7.when used in this capacity, the aneroid barometer can store a week's worth of data.

android diameter a device for measuring atmospheric pressure , often specially calibrated for use as an altimeter ,consisting of a box or chamber partially exhaused of air, having an elastic top and a pointer to indicate the degree of compression of the top caused by the external air

refer to the attachment for the characteristics : -

most cajuns resided in acadiana, where their descendants are still predominant