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Katen [24]
3 years ago
14

I am having trouble writing an itroduction to my lab report. For the lab we had to find an effective way to purify water. Any id

eas of how i shoud start it?
Biology
1 answer:
VLD [36.1K]3 years ago
6 0
I HOPE THIS HELPS:

Many people don’t know how to get an effective way purify water but when you (tell them how to purify water) you will get an effective way to purify water. Stay tuned for all the details of how to purify water an effective way.

Can I get BRAINLIEST???
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Answer:

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because it will be going the same no matter what all the other answers make sense

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What type of chemical energy is produced during photosynthesis
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8 0
3 years ago
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Jose and Fran MUST follow specific safety procedures when heating water with a Bunsen burner. The safety procedures include
8_murik_8 [283]
The following are some common procedures that we should take action of when using a bunsen burner to ensure our safety:

1. Wear safety goggles. Tie up long hair and school ties if needed. This can lower the risk of catching on fire. Put a heatproof mat underneath the Bunsen burner, put a tripod and the beaker of water for heating on top of the burner.

2. Close the air hole. Before we start up the burner, the air hole must be closed or green flame (striking back) may occur 

3. light up a match or a lighter. Put it over the chimney. 

4. Turn on the gas tap, you should be able to see a yellow flame now. Remove the lighter or match and open the air hole. We should have a blue flame by now. 

5. the water should start to heat up. Never touch the hot beaker with bare hands.

6. When the water is heated up to the temperature they wanted to, it's time to close the air hole and turn off the gas tap. 

7. If they need to move the hot beaker, use heat protection gloves 

These should be the correct procedures that they should follow in order to heat the water safely. 

Hope it helps!



4 0
3 years ago
If you want to change the pitch of a sound, you have to change the ___ Question 7 options: volume speed amplitude frequency
charle [14.2K]

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It is directly related to the the frequency of the sound wave. If the frequency is increased then its pitch will also increase and vice versa.

As for normal people it is a bit difficult to differentiate between the two but the musician are trained so they can differentiate the difference between the two even if the difference is 2 Hz




8 0
2 years ago
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