Where are the most germs in your school science fair project?
kitchen
Does vinegar kill germs science project?
Sulfites found vinegar help to slow the growth of bacteria. Sodium, such as salt, is also used as a preservative. In this investigation, vinegar and salt act as preservatives keeping bacteria from growing in the bouillon mixtures.
Is a dogs mouth cleaner than a humans science fair project?
For my experiment I was to answer “Is a dogs mouth cleaner than a humans?” The answer is no. A dogs mouth is not cleaner than a humans….Is A Dog’s Mouth Cleaner Than a Human’s?
| Subjects (Dogs AM) | Total Amount of Bacteria colonies (cm2) |
|---|---|
| Dog 3- | 381.6cm2 |
| Dog 4- | 403.2cm2 |
Is a dog’s mouth cleaner than a toilet seat?
The general answer to this question is no, a dog’s mouth is not technically clean, and is not actually any cleaner than a human mouth. We do know that dogs have a greater amount of bacteria in their mouths, however, and that they sometimes lick or eat some pretty rancid things!
Should you let your dog lick you?
Avoid Letting Your Dog Lick Your Eyes, Nose, and Mouth But because disease-carrying saliva can be absorbed more readily through the membranes in a person’s mouth, eyes and nose, Kaplan suggests it’s best to avoid letting your dog lick those parts of your face.
Is a dog’s tongue cleaner than humans?
The bacteria found in human mouths are more similar to another human’s oral bacteria than the bacteria found in a dog’s mouth. I also concluded that dogs’ mouths are cleaner than humans’ in some ways, and dirtier in other ways.
Is the human mouth the dirtiest place on earth?
The mouth is considered the dirtiest place in the human body. It carries the largest amount of bacteria and germs. Many people will assume that the anus is the dirtiest place on the body due to its contact with fecal matter. The mouth comes into contact with more germs and bacteria than the rectal area.
What is the dirtiest human body part?
mouth
Is a human mouth dirty?
If you think your mouth is clean, think again. Not to be the bearer of bad news, but that small-but-mighty engine you use for eating, drinking, and gabbing is pretty gross. At any given moment, you will find between one million and one billion bacteria on each tooth in your mouth.
Which country has the best air?
Which is the cleanest country in the world?
| # | country | 2020 AVG. US AQI |
|---|---|---|
| 1 | Puerto Rico | 15 |
| 2 | New Caledonia | 15 |
| 3 | U.S. Virgin Islands | 15 |
| 4 | Sweden | 21 |
Which country has worst air quality?
India
What are the 5 most polluted cities in the world?
Rankings: 25 Most Polluted Cities in the World
- Zhengzhou, China.
- Manama, Bahrain.
- Taiyuan, China.
- Chandigarh, India.
- Xian, China.
- Tianjin, China.
- Kabul, Afghanistan.
- Jinan, China.
What is the nastiest state?
South Dakota. And if you want to know which state is just plain filthy, read up on The Dirtiest State in the U.S.
Why is California so dirty?
The combination of three main factors are the cause of notable unhealthy levels of air pollution in California: the activities of over 39 million people, a mountainous terrain that traps pollution, and a warm climate that helps form ozone and other pollutants.
Why are people leaving California?
People are leaving California at record rates. Increasingly more people are saying high taxes, the high cost of living, and even politics are making them choose to leave the Golden State. A report released over the summer showed the state’s population growth hit a record low.
Why is California so successful?
California is one of the major economic engines of the United States. The state has an incredibly diverse economy, with Hollywood, Silicon Valley, manufacturing, and agriculture all making significant contributions.
Why is California rich?
The economy of the State of California is the largest in the United States, boasting a $3.2 trillion gross state product (GSP) as of 2019. Additionally, California’s Silicon Valley is home to some of the world’s most valuable technology companies, including Apple, Alphabet Inc., and Facebook.
Is California the richest state in the US?
And yet, the latest census bureau report says that California is both the wealthiest state and has the highest poverty rate in the country at 24 percent — meaning almost a quarter of Californians live in poverty.
Why California is the best state?
It’s been a good year for California if the oft-quoted “best-state” rankings by U.S. News & World Report mean anything. The state’s robust economy, alluring environment and high-quality healthcare helped it score a No. 19 overall ranking among the states.
What is the number 1 college in California?
Top universities in California 2021
| California Rank 2021 | US College Rank 2021 | University |
|---|---|---|
| 1 | 4 | Stanford University |
| 2 | =7 | California Institute of Technology |
| 3 | 19 | University of Southern California |
| 4 | =24 | Pomona College |