Does rubber shrink when heated? Polymers like rubber shrink on heating as their molecular chains curl up, and water shrinks when warmed from its freezing point to around 4°C. After that, though, it behaves normally, and expands on warming. In contrast, so-called negative thermal expansion (NTE) materials never behave themselves. Why does rubber shrink when […]
Are electrolyte drinks better than water?
Are electrolyte drinks better than water? Though water should always be your first drink of choice, there may be certain scenarios where a sports drink is exactly what your body needs. If you’re participating in high-intensity workouts lasting more than 45 minutes to an hour, sports drinks may help replenish your body’s electrolyte stores better […]
Who is the rightful owner of the title Father of calculus?
Who is the rightful owner of the title Father of calculus? Gottfried Wilhelm Leibniz Who is the true father of calculus? Gottfried Leibniz Who invented limits? Englishman Sir Issac Newton and German Gottfried Wilhelm von Leibniz independently developed the general principles of calculus (of which the theory of limits is an important part) in the […]
What are the factors responsible for evolution?
What are the factors responsible for evolution? The four factors of evolution are: mutation, gene flow, genetic drift, and natural selection. Genetic drift has much more effect in small populations, which may have an allele drift to fixation, in which all members have that allele. Why do individuals not evolve? Individual organisms do not evolve, […]
Why does a piece of tile or stone feel colder than a piece of wood even though both are at same temperature?
How many types of indicators are there?
How many types of indicators are there? Types of Indicators Artificial and Natural indicators are the two types of Chemical indicators. Litmus, red cabbage, turmeric, china rose are a number of the present indicators around us. What is another type of indicator? An indicator prepared from natural substances is known as natural indicator. Examples are […]
Where is the tropical zone?
Where is the tropical zone? The tropics are regions of the Earth that lie roughly in the middle of the globe. The tropics between the latitude lines of the Tropic of Cancer and the Tropic of Capricorn. The tropics include the Equator and parts of North America, South America, Africa, Asia, and Australia. Which zones […]
Is Zoom safe to use?
Is Zoom safe to use? Zoom is still safe to use in most cases. HOW MUCH IS zoom monthly? Zoom Pricing Name Price Basic Free Pro $14.99per host per month Business $19.99per host per month Enterprise $19.99per host per month Which is better Google meet or zoom? Two of the best services out there are […]
What is a density graph?
What is a density graph? Density plots are used to observe the distribution of a variable in a dataset. It plots the graph on a continuous interval or time-period. This is also known as Kernel density plot. Density plots are a variation of Histograms. The peaks of a Density Plot help display where values are […]
What are two examples of sustainable resources?
What are two examples of sustainable resources? Examples of Sustainable Development Wind Energy. Solar Energy. Crop Rotation. Water efficient fixtures. Green Spaces. How a city can be sustainable? This means the main ways cities can become greener are to: Reduce the amount of energy and resources used through improving the efficiency of systems, for example […]