The five themes of geography are location, place, human-environment interaction, movement, and region. These themes help us understand how people and places are connected in the world. Geographers use the five themes to help them study the world and organize ideas.
Answer:
There are two reasons: at higher altitudes, there is less air pushing down from above, and gravity is weaker farther from Earth's center. So at higher altitudes, air molecules can spread out more, and air density decreases
Answer:
Viruses can replicate inside cells, while bacteria release toxins to destroy cells.
Explanation:
Viruses and bacteria are both considered microorganisms that can be pathogens. Bacteria are singled celled organisms, where as viruses are non-cellular. Therefore, viruses are sometimes considered non-living, or "on the edge of life"
Viruses consist of (at the minimum) a genome surrounded by a protein coat. To replicate, they have to insert their genome into a host cell. This is another reason they are sometimes considered non living.
In contrast, bacteria can release toxins but do not replicate inside cells.
Therefore, the answer is viruses can replicate inside cells, while bacteria release toxins to destroy cells.
<span>Nuclear provides over half of low-carbon electricity.
</span>Nuclear power<span> plants currently operate in 31 </span>countries, from which most of them are in Europe. The statement that e<span>astern Europe uses nuclear energy for electricity production at a higher proportion compared to other parts of the world is true.</span>
