What is wrong with carbon dating? The group theorizes that large errors in carbon dating result from fluctuations in the amount of carbon 14 in the air. Carbon dating is unreliable for objects older than about 30,000 years, but uranium-thorium dating may be possible for objects up to half a million years old, Dr. Zindler […]
What is topic sentence in English?
What is topic sentence in English? In expository writing, a topic sentence is a sentence that summarizes the main idea of a paragraph. It is usually the first sentence in a paragraph. Also known as a focus sentence, it encapsulates or organizes an entire paragraph. What are the types of topic sentence? Type of Topic […]
What are the strongest and weakest bonds?
What are the strongest and weakest bonds? This means Ionic bonds tend to dissociate in water. Thus, we will think of these bonds in the following order (strongest to weakest): Covalent, Ionic, Hydrogen, and van der Waals. Also note that in Chemistry, the weakest bonds are more commonly referred to as “dispersion forces.” What is […]
Is 300 watts enough for a subwoofer?
What is broaching in machining?
What is broaching in machining? Broaching is a machining process using a cutting tool with teeth that increase in size from front to back. In many cases, an entire surface (or multiple surfaces) can be finished in a single pass with broaching. The technique is most often applied to finish holes, splines and flat surfaces. […]
Which is called the basic of science?
Which is called the basic of science? Physics is also called “the fundamental science” because the subject of study of all branches of natural science like chemistry, astronomy, geology, and biology are constrained by laws of physics, similar to how chemistry is often called the central science because of its role in linking the physical […]
What are the disadvantages of credit unions?
What are the disadvantages of credit unions? The Cons of Credit Union Membership Potential membership fees and restrictions. When joining a credit union, prospective members might have to pay a small membership fee, which can range from $5 to $25. Limited locations. Some service restrictions. Is my money safe in a credit union during a […]
Why does Proton move in electric field?
Why does Proton move in electric field? The electric field is directed from a high electric potential to a low electric potential. The electric force acts on the positive charge in the direction of the electric field, therefore, the proton (positive charge) moves from high electric potential to low electric potential. Where does the electric […]
What are the applications of brazing?
What are the applications of brazing? Brazing applications Installation of cooling, heating, refrigeration systems. Domestic & industrial cooling and heat exchangers. Diamonds tolls and hard metal. What is the hardest type of welding? Why is TIG the hardest form of welding? TIG is the hardest form of welding for various reasons such as being a […]
How can you tell if an egg has been fertilized?
How can you tell if an egg has been fertilized? Some women may notice symptoms as early as 5 DPO, although they won’t know for certain that they are pregnant until much later. Early signs and symptoms include implantation bleeding or cramps, which can occur 5–6 days after the sperm fertilizes the egg. Other early […]