About ammonia results of 239

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BBC - What intensive farming means - for the animals and for the environment !09:04

BBC - What intensive farming means - for the animals and for the environment !

9058
B1
Is Santa Claus real? | Easy Polish 12511:44

Is Santa Claus real? | Easy Polish 125

9
B2
Michio Kaku: How quantum computers could turn the impossible into reality11:10

Michio Kaku: How quantum computers could turn the impossible into reality

140
B2
Ancient Life as Old as the Universe09:35

Ancient Life as Old as the Universe

817
B2
Easy Homemade Disinfecting Wipes (Cheaper Alternative To Clorox Wipes)43:09

Easy Homemade Disinfecting Wipes (Cheaper Alternative To Clorox Wipes)

3
B1
Splat! 5 Species that Masquerade as Bird Droppings08:35

Splat! 5 Species that Masquerade as Bird Droppings

9
B2
Space Exploration Isn’t Great for the Earth (But It Could Be)08:16

Space Exploration Isn’t Great for the Earth (But It Could Be)

7
B2
Volcanoes Found on All the Planets and Even Moons!11:00

Volcanoes Found on All the Planets and Even Moons!

15
B1
Kadane's Algorithm to Maximum Sum Subarray Problem11:17

Kadane's Algorithm to Maximum Sum Subarray Problem

22
B1
Chem 203. Organic Spectroscopy. Lecture 04. Mass Spectrometry.55:22

Chem 203. Organic Spectroscopy. Lecture 04. Mass Spectrometry.

95
B2
Are plant-based meats actually sustainable? (Impossible Burger & Beyond Meat)11:02

Are plant-based meats actually sustainable? (Impossible Burger & Beyond Meat)

14
B1
Geography Go! ICELAND (Geography Now!)16:34

Geography Go! ICELAND (Geography Now!)

10
B1
Hot Tainan EP12. Wonderful Waterworks15:09

Hot Tainan EP12. Wonderful Waterworks

29
B1
5 Things We Still Don't Know About the Solar System07:41

5 Things We Still Don't Know About the Solar System

94
B1
Chemical Curiosities: Surprising Science and Dramatic Demonstrations69:43

Chemical Curiosities: Surprising Science and Dramatic Demonstrations

141
B1
Why Are We Morbidly Curious?13:51

Why Are We Morbidly Curious?

470
B1
Top 10 Creepiest Places on Earth That Can't Be Explained11:06

Top 10 Creepiest Places on Earth That Can't Be Explained

20
B2
A lesson in turning adversaries into allies | Leah Garcés13:34

A lesson in turning adversaries into allies | Leah Garcés

7
B1
ARGENTINIAN FOOD TOUR in Mar del Plata, Argentina14:32

ARGENTINIAN FOOD TOUR in Mar del Plata, Argentina

132
B1
Kitchen Nightmare's Most Ridiculous Moments15:14

Kitchen Nightmare's Most Ridiculous Moments

11
B1
pH of salt solutions14:15

pH of salt solutions

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B2
馬塞爾.迪克 (Marcel Dicke)：何不食昆蟲？ (中英雙字幕)18:35

馬塞爾.迪克 (Marcel Dicke)：何不食昆蟲？ (中英雙字幕)

522
B1
古代ローマ史の教授だけど質問ある？ | Tech Support | WIRED Japan20:26

古代ローマ史の教授だけど質問ある？ | Tech Support | WIRED Japan

2
B1
Steven Chu Reacts to the Citizen's Briefing Book13:41

Steven Chu Reacts to the Citizen's Briefing Book

60
B1
4 Animals That Don’t Have Resident Gut Microbiomes10:21

4 Animals That Don’t Have Resident Gut Microbiomes

3
B2
Polysaccharide14:51

Polysaccharide

309
B2
6 Ways To Make Your Eggs Last Longer | Will It Preserve?11:51

6 Ways To Make Your Eggs Last Longer | Will It Preserve?

14
B1
Mom Tag | Immigrations, Heartbreak, Courage25:37

Mom Tag | Immigrations, Heartbreak, Courage

6
B1
Keke Palmer Takes a Lie Detector Test | Vanity Fair11:43

Keke Palmer Takes a Lie Detector Test | Vanity Fair

7
A2
Top 10 Gross Facts About Fast Food Restaurants13:50

Top 10 Gross Facts About Fast Food Restaurants

49
B2
Comets: Crash Course Astronomy #2111:55

Comets: Crash Course Astronomy #21

148
B2
Tissues, Part 1: Crash Course A&P #210:43

Tissues, Part 1: Crash Course A&P #2

55
B2
The Integumentary System, Part 2 - Skin Deeper: Crash Course A&P #709:57

The Integumentary System, Part 2 - Skin Deeper: Crash Course A&P #7

121
B2
What It Was Like To Live In Ancient Rome During Its Golden Age12:29

What It Was Like To Live In Ancient Rome During Its Golden Age

26
B2
Birth of the Moon24:26

Birth of the Moon

277
B2
WHAT TO EAT in Argentina ? | Our ARGENTINIAN FOOD TOUR of San Martin de los Andes ??17:09

WHAT TO EAT in Argentina ? | Our ARGENTINIAN FOOD TOUR of San Martin de los Andes ??

13
B1
¿Quiénes son los Belmont? (Clan Belmont) - Castlevania18:48

¿Quiénes son los Belmont? (Clan Belmont) - Castlevania

4
B2
Exterminator And Pest Expert Debunk 15 Pest Myths | Debunked13:07

Exterminator And Pest Expert Debunk 15 Pest Myths | Debunked

9
B1
What Actual Aliens Might Look Like15:53

What Actual Aliens Might Look Like

901
B2
My SKUNK?! | Striped Skunk Facts | Creature Feature14:19

My SKUNK?! | Striped Skunk Facts | Creature Feature

527
B2
Why I Left Veritasium13:58

Why I Left Veritasium

B1
Can We Gas Up... Without Gas?: Crash Course Climate & Energy #614:10

Can We Gas Up... Without Gas?: Crash Course Climate & Energy #6

30
B1
Chemical Hazards: Globally Harmonized System (GHS) Training Video -- OSHA HazCom Standard16:23

Chemical Hazards: Globally Harmonized System (GHS) Training Video -- OSHA HazCom Standard

85
B1
Why It Was Almost Impossible to Make the Blue LED33:45

Why It Was Almost Impossible to Make the Blue LED

68
B1
That's Why Carbon Is A Tramp: Crash Course Biology #1 12:33

That's Why Carbon Is A Tramp: Crash Course Biology #1

424
B1
Saturn's Mysterious Moons25:15

Saturn's Mysterious Moons

63
B2