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1. Why we put water on chalk on the blackboard, what will happen?
2. Why We put the Physics Glasses, to our eyes. but what it used for it?
3. Hazardous, infections. What does they mean for the most dangerous?
4. What does mean with baking soda, and what it use for?
5. The dynamite fishing isn't a bomb, but why it has a timer on it?
(ONLY EXPLAIN ONLY)
{25 BRAINLY POINTS}
The Cube is watching you, do not Google it.
1. Why we put water on chalk on the blackboard, what will happen?
2. Why We put the Physics Glasses, to our eyes. but what it used for it?
3. Hazardous, infections. What does they mean for the most dangerous?
4. What does mean with baking soda, and what it use for?
5. The dynamite fishing isn't a bomb, but why it has a timer on it?
(ONLY EXPLAIN ONLY)
{25 BRAINLY POINTS}
Answers & Comments
Answer:
1. Water is typically used to dampen the chalk on a blackboard to reduce dust and improve the visibility of the writing or drawing. It helps the chalk adhere to the surface and prevents it from scattering in the air when writing or erasing.
2. Physics glasses, also known as safety goggles, are worn to protect the eyes from potential hazards in physics experiments or other activities that involve potential eye injuries. They are designed to provide a barrier against particles, chemicals, or other objects that may cause harm to the eyes.
3. Hazardous infections refer to infections that pose a high level of risk to human health and safety. These infections may be caused by highly contagious or virulent pathogens, and can potentially result in severe illness, disability, or even death.
4. Baking soda, also known as sodium bicarbonate, is a white crystalline powder that is commonly used in cooking, cleaning, and personal care. It has various uses, including as a leavening agent in baking, a mild abrasive for cleaning, and a neutralizer of acids.
5. Dynamite fishing is a destructive method of fishing that involves using explosives to stun or kill fish in water. The dynamite typically has a timer attached to it to control the explosion and determine when it will go off, allowing the fisherman to distance themselves from the blast zone.
Verified answer
Answer:
1. Putting water on chalk on a blackboard helps to reduce the amount of dust produced when writing or erasing. Chalk dust can be harmful if inhaled in large amounts, so wetting the chalk helps to prevent this. Additionally, wetting the chalk can also make the lines and letters drawn appear bolder and clearer.
2. Physics glasses, or safety glasses, are used to protect the eyes from potential hazards in the laboratory or workshop. They can protect against flying particles, chemicals, and harmful radiation. They are an essential piece of equipment for anyone working in a science or engineering field.
3. Hazardous infections generally refer to infectious diseases that have the potential to cause serious harm or even death. These can include diseases such as Ebola, HIV, and COVID-19. They are considered the most dangerous because they can spread rapidly and have a high mortality rate.
4. Baking soda, also known as sodium bicarbonate, is a white crystalline powder that is commonly used in cooking and baking. It can be used as a leavening agent in recipes, as well as a natural cleaner and deodorizer. It can also help to neutralize acidic substances, making it useful in a variety of applications.
5. Dynamite fishing uses explosives to stun or kill fish, which are then collected and sold. While dynamite is not a bomb in the traditional sense, it can still be extremely dangerous. A timer is used to ensure that the explosive is detonated at the right time and in the right location to maximize the catch. However, dynamite fishing is illegal in many parts of the world due to its destructive impact on marine ecosystems.
Explanation:
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