Which two of the following sentences from the article include central ideas?
1. They had heard tales of
thousands of people being
sacrificed at the Great
Temple's dedication
2. Nearly 500 years later,
scientists digging in Mexico
City have unearthed the skulls.
3. They have had trouble coming up with a more detailed explanation, however, and the
full story of the skulls may have died with the Aztecs.
4. In 1985, for example, ruins
were found during the cleanup that followed an earthquake

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 : -

this question your asking is true hope this and you get a 100 percent : )

the correct answer is d

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