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alisha [4.7K]
3 years ago
5

Mengapakah tabung didih dibalut dengan kertas hitam?​

Biology
1 answer:
leva [86]3 years ago
4 0

Answer:

supaya tak meletup

Explanation:

sebab hitam dapat menghalang cahaya matahari daripada kena ke tabung didih agar tidak terlebih panas dan menyebabkan letupan

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This is the result of or response to changing the manipulated variable.
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Responding or dependent variable

Explanation:

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Which partly explains why the domestication of animals tended to increase the human food supply?
pshichka [43]

Answer:

<em>The correct option is A) Domesticated animals provided food and labor for cultivation.</em>

Explanation:

Domestication of animals benefited humans in numerous ways. The organisms were used for various purposes such as adequate supply of milk, meat, eggs etc. The animals were used for carrying materials from one place to another which made wok load easier for humans. Also, animals were used for cultivating processes such as ploughing which made cultivation process a lot easier for the mankind and as a result more food was produced.

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Zara had a birthday and was able to choose a pet. The pet that she chose was a beautiful clownfish named Bozo, a common salt wat
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Answer:

See the answer below

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<em>The advice I would give  to Zara would be that she should keep Bozo in a separate tank with common salt water away from the goldfish. Bozo is a salt water fish while the goldfish can only survive in freshwater.</em>

If Bozo is kept in a saltless water/freshwater tank with the goldfish, the water would be hypotonic to Bozo. Consequently, water will osmotically diffuse into the cells of Bozo, the cells would become turgid and lyse, and this would lead to the death of the fish.

If the goldfish is kept in the same salt water tank with Bozo, the salt water would be hypertonic to the goldfish. Consequently, water will osmotically diffuse out of the cells of the goldfish into the surrounding salt water, the cells of the goldfish would become flaccid, and this would lead to the death of the fish.

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