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Zanzabum
3 years ago
10

Which of the following activities contributes most to climate change?

Biology
2 answers:
andrew-mc [135]3 years ago
7 0
The answer to this would be B!
Turning up the heat in your house instead of grabbing a blanket or something, produces a larger carbon footprint. Now combine that with the millions of houses having their heat on & it all adds up!
cupoosta [38]3 years ago
6 0

Answer:

heating your house

Explanation:

it makes up the house's carbon footprint

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Answer:

The correct answer will be- the color change will be observed and the solution will turn purplish-black.

Explanation:

Iodine test is performed to test the presence of the carbohydrates mainly starch.

The iodine solution is chemically called potassium iodide which forms a yellow solution. The potassium iodide solution forms a complex with a starch solution which appears a purplish-black color which shows the presence of the carbohydrates.

In the given question, if we add the iodine solution to the beaker after a certain point of time then it will still form a complex with the starch and thus beaker solution will appear darker in color.

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