The air temperature is + 4 * С. How many degrees will the thermometer show if the air temperature

The air temperature is + 4 * С. How many degrees will the thermometer show if the air temperature changes: 1) by -3C 2) by -5C

answer 1: +1 degree will be if it gets colder by 3 degrees
answer 2: -1 degree will be if it gets colder by 5 degrees

explanation:
the thermometer scale has divisions. One for each degree. But it should be borne in mind that from +1 to 0 is 1 degree, and also from 0 to -1 is another degree. Clearly, it looks like this:

| +4 was
| +3
| +2
| +1 will become if it gets colder by 3 grams
| 0
| -1 will become if it gets colder by 5 degrees



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