Edit your profile, click preferences, and then there should be a drop down that has your level on it which you can change.
Answer:
All Rights Reserved, Some Rights Reserved, Public Domain
Explanation:
Redwood
Red cedar
Bass wood
Answer:
The column to the left goes from bottom to top: troposphere, stratosphere, mesosphere, thermosphere, exosphere.
The column to the right goes from bottom to top: Ozone layer, karman line, Exobase
Explanation: Hope this helps
TCP has flow control, which means a two-way connection must be present. Satellites are sometimes optimized for broadcasts, which is unidirectional (ie., sending, not receiving).