Answer:
The environment where tests and calibrations are performed can have an influence on uncertainty in measurement results. Variables such as temperature, humidity, pressure, gravity, elevation, vibration, stress, strain, lighting, etc. can impact the measurement result.
Answer:
Answer is A
Explanation:
A.
Over 750 million people live in the member countries.
B.
People can move freely about member counties.
C.
It is the world’s second-largest economy.
D.
It has 27 member countries.
This statement is true because the fog absorbs the dirty coal particles and it turns into a dirty brownish "smoke-fog" hence the name smog.
Answer:
D. tierra caliente, tierra templada, tierra fria, tierra helada.
Explanation:
The Latin American region has its own unique names for the elevation zones based on the climate. The lowest of them is the tierra caliente, characterized with lowlands and hills covered with dense tropical forests, and hot weather. The tierra caliente is the second, located between 1,000 and 2,000 meters, being still part of the tropical climate, but being cooler and more pleasant, which is why there are lot of big cities on this elevation. The tierra fria is located further up, up to 3,000 meters, and it is colder, dominated with grasslands, and the living conditions are not the best. The top elevation zone is the tierra helada, located in the highest parts of the Andes, being dominated by barren mountain slopes, strong winds, and cold climate.