About what is the ph scale used for results of 10,000

Relevance
The History of the Great Wall of China for Kids - FreeSchool03:30

The History of the Great Wall of China for Kids - FreeSchool

224
A2
Helicopter Physics Series - #3 Upside Down Flying05:37

Helicopter Physics Series - #3 Upside Down Flying

149
B1
Fun is the Future: Mastering Gamification59:22

Fun is the Future: Mastering Gamification

361
B1
【大家說英語】 美食廣場 A Place with Great Food - 20230424:01

【大家說英語】 美食廣場 A Place with Great Food - 202304

52
A2
Bedtime Sleep Stories | ? The Little Prince ?| Classic Books Sleep Story | Sleep Story for Grown Ups50:38

Bedtime Sleep Stories | ? The Little Prince ?| Classic Books Sleep Story | Sleep Story for Grown Ups

924
A1
Control of transmon qubits using a cryogenic CMOS integrated circuit (QuantumCasts)35:48

Control of transmon qubits using a cryogenic CMOS integrated circuit (QuantumCasts)

8
B1
Learn to Pronounce the Short u Sound /ʌ, ə/ American English Ultimate Pronunciation Master Class08:04

Learn to Pronounce the Short u Sound /ʌ, ə/ American English Ultimate Pronunciation Master Class

6
B1
Papa, Please Get The Moon For Me07:45

Papa, Please Get The Moon For Me

85
B1
What REALLY Separates The Rich from The Poor - Rich vs Poor Mindset10:30

What REALLY Separates The Rich from The Poor - Rich vs Poor Mindset

25
B1
Differences In Pronunciation - English / Japanese / Malay / German ?? ?? ?? ??13:54

Differences In Pronunciation - English / Japanese / Malay / German ?? ?? ?? ??

16
A2
Empire of the Sun (1987) - Jamie Loses His Parents | Movieclips03:03

Empire of the Sun (1987) - Jamie Loses His Parents | Movieclips

16
A1
What confuses a physicist?03:38

What confuses a physicist?

4
B1
Dave Chappelle on the Jussie Smollett Incident | Netflix Is A Joke04:55

Dave Chappelle on the Jussie Smollett Incident | Netflix Is A Joke

19
A2
What Will Computer Monitors Look Like In The Future?01:28

What Will Computer Monitors Look Like In The Future?

43
A2
Friends: Monica and Ross Try To Get On Camera For New Year's Rockin' Eve (Season 6 Clip) | TBS04:11

Friends: Monica and Ross Try To Get On Camera For New Year's Rockin' Eve (Season 6 Clip) | TBS

6977
A2
The case for and against Daylight Saving Time | March 7, 202510:00

The case for and against Daylight Saving Time | March 7, 2025

21
B1
Why is gravity different?05:08

Why is gravity different?

9
B1
How Powerful Is The First Lady?03:28

How Powerful Is The First Lady?

591
B1
Passenger - Let Her Go ( cover by J.Fla )02:56

Passenger - Let Her Go ( cover by J.Fla )

2151
A1
Chapter 10 - Alice's Adventures in Wonderland by Lewis Carroll - The Lobster Quadrille13:37

Chapter 10 - Alice's Adventures in Wonderland by Lewis Carroll - The Lobster Quadrille

290
B1
Why China is winning the EV war08:37

Why China is winning the EV war

3964
B1
Love and Monsters (2021) - The Queen Sand-Gobbler Scene (6/10) | Movieclips03:07

Love and Monsters (2021) - The Queen Sand-Gobbler Scene (6/10) | Movieclips

22
A1
What Catcalling Was Like in the Olden Days - Key & Peele02:53

What Catcalling Was Like in the Olden Days - Key & Peele

15
B1
India, China and the U.S. battle for supremacy in the new space age38:38

India, China and the U.S. battle for supremacy in the new space age

4
B1
Mechanicore Tief Sturmer Plus UNBOXING17:26

Mechanicore Tief Sturmer Plus UNBOXING

3
A2
Aboriginal water values and management in northern Australia14:17

Aboriginal water values and management in northern Australia

129
B1
The longest language school commercial ever | 史上最長的語言機構招生廣告120:08

The longest language school commercial ever | 史上最長的語言機構招生廣告

2517
A2
Balto (1995) - The White Wolf Scene (8/10) | Movieclips02:31

Balto (1995) - The White Wolf Scene (8/10) | Movieclips

4
B1
The Man Who Cooled the World | Willis Carrier's Air Conditioner07:55

The Man Who Cooled the World | Willis Carrier's Air Conditioner

43820
B1
How the Internet Is Changing Advertising04:36

How the Internet Is Changing Advertising

1410
A2
17. Bigger Is Better: The Baths of Caracalla and Other Second- and Third-Century Buildings in Rome75:37

17. Bigger Is Better: The Baths of Caracalla and Other Second- and Third-Century Buildings in Rome

176
B1
Colliders as Triggers - Unity Official Tutorials02:45

Colliders as Triggers - Unity Official Tutorials

52
B1
Zeitgeist Addendum - The final speech [sub]09:44

Zeitgeist Addendum - The final speech [sub]

21
A1
Is Donald Trump Tripping On Dexamethasone?01:51

Is Donald Trump Tripping On Dexamethasone?

14
B1
What happens to house prices when interest rates go up?01:11

What happens to house prices when interest rates go up?

93
B1
Cold Noses & Thermal Images - Computerphile10:07

Cold Noses & Thermal Images - Computerphile

3
B1
Golf Tips - What Powers the Golf Swing?11:15

Golf Tips - What Powers the Golf Swing?

206
A2
First Date Questions Men Really Want To Ask01:37

First Date Questions Men Really Want To Ask

138
A2
CGR Undertow - SLENDER: THE EIGHT PAGES review for PC03:06

CGR Undertow - SLENDER: THE EIGHT PAGES review for PC

138
B1
Beautiful Science - The sky IS NOT BLUE.02:45

Beautiful Science - The sky IS NOT BLUE.

12
B2
English for Travel and Tourism — On the Plane01:06

English for Travel and Tourism — On the Plane

109
A2
Meet the Shark Family | Shark Week with Baby Shark | Pinkfong Songs for Children04:22

Meet the Shark Family | Shark Week with Baby Shark | Pinkfong Songs for Children

8
A2
The Late Late Lifetime Achievement Award05:15

The Late Late Lifetime Achievement Award

6
A2
English Vocabulary: Talking about RAIN06:17

English Vocabulary: Talking about RAIN

131957
B1
What if Mitchell Trubisky gets the Bears to the playoffs? | Get Up03:10

What if Mitchell Trubisky gets the Bears to the playoffs? | Get Up

5
A2
What were the BEST and WORST signings of Deadline Day? | Saturday Social14:49

What were the BEST and WORST signings of Deadline Day? | Saturday Social

3
A2