GEOLOGY

EARTH SCIENCE

CLIMATE AND ENVIRONMENTAL CHANGE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Scientists determine current climate conditions by
A
making direct measurements.
B
creating computer models.
C
examining ice cores.
D
using proxy indicators.
Explanation: 

Detailed explanation-1: -The Short Answer: Scientists have been observing Earth for a long time. They use NASA satellites and other instruments to collect many types of information about Earth’s land, atmosphere, ocean and ice. This information tells us that Earth’s climate is getting warmer.

Detailed explanation-2: -Scientists, volunteer observers, and automated instruments from around the world measure climate variables at Earth’s surface and above. Some of the data collected include air chemistry, temperature, precipitation, cloud cover, and wind speed.

Detailed explanation-3: -Scientists focus on three main variables when studying the climate: temperature, precipitation, and carbon gases.

There is 1 question to complete.