6. Why do you think satellites are placed in the thermosphere?

It is called the thermosphere because temperatures can reach up to 1,500 degrees Celsius (2,732 degrees Fahrenheit). However, despite the high temperatures, the pressure is very low, so satellites don't suffer heat damage.

Explanation:

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What is likely the effect of a mutation that changes a single base in a gene compared to a mutation that inserts a single additional base?

Missense mutation. This type of mutation is a change in one DNA base pair that results in the substitution of one amino acid for another in the protein made by a gene.