Air pressure is the greatest at ? The ozone layer
On top of Mt. Everest
The layer where meteorites burn up
At the surface of the earth

Which part of a feedback mechanism is able to monitor the conditions outside of cells and usually uses nerve cells to relay this information to an intergrating center

How do scientists think that gravity affected the formation of our solar system?

The climate of the continental united states is generally 1. tropical 2. temperate 3. arctic 4. highland