A or B. Because the respirtory system’s main job is to move air into your body while removing waste gases
This would be global ecology.
This is because "Global ecology"<span> is the study of the interactions among the Earth's ecosystems, land, atmosphere and oceans. </span>Global ecology<span> is very important because it is used to understand large scale interactions and how they influence the behavior of the entire planet, including the earth's responses to future changes.
Hope this helps. :)</span>
Polar bears live in the north pole, and they rely heavily on the large slabs of ice for many aspects of their lives.
For example, they often hunt for animals in the ocean, and these chunks of ice serve as resting points for the bears when they tire of swimming.
If these ice blocks are melting, the polar bears will have to swim farther distances. Many become tired and don't make it, dying in the process. Therefore, the change in climate negatively affects polar bears.
Answer:
The physical stimulus is the only part of the test that is measureable, and therefore, knowable. The stimulus is our anchor for our estimate of the listener's perception.
