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Answer:
is used by commercial airplanes
Explanation:
The stratosphere is used by most commercial airplanes. This is because this layer of earth is stratified and more stable.
- The lowest level of the atmosphere is the troposphere.
- This layer is where all the bulk of the atmospheric gases are domiciled.
- Weather conditions occur here.
- This layer is not safe for flight due to its turbulent nature.
- The ionosphere is responsible for the transmission of radio signals around the earth.
- The earth's weather occurs in the region of the troposphere.
Answer:
because the new ones has to live
Explanation:
in order for a community to live some specie's has to be eliminated for the resources to be maintained
Answer:
d
Explanation:
all of these are nervous system function
Some proteins lowers the activation energy of a reaction, making it more likely to proceed. The reaction will occur thousands or millions of times faster. The name of this special type of protein is enzyme.