When you rub the two balloons against your hair what will happen if you bring the two balloons near each other? Rubbing the balloon onto your hair or onto the wool fabric adds electrons to the balloon and causes the balloon to become negatively charged. Like charges repel (the two balloons, once charged, will move […]
Is Boron 11 stable or unstable?
Is Boron 11 stable or unstable? Boron 11 Metal (Boron-11) is a stable (non-radioactive) isotope of Boron. It is both naturally occurring and a produced by fission. What is the half life of boron-10? 20.20 milliseconds Why is boron 9 not stable? Returning to our boron example, with only 4 neutrons, boron-9 is unstable, and […]
Where is an 18 wheeler blind spots?
Where is an 18 wheeler blind spots? Because of the massive size of 18-wheelers and other big commercial trucks, they have many blind spots. For instance, 18-wheelers have a blind spot at the front-end of the truck, on both sides; just below and behind the driver-side window; and directly behind the truck. What are blind […]
What is the rarest color for a rose?
What is the rarest color for a rose? Blue Roses What does a pink rose mean? Pink roses symbolize gratitude, grace, and joy. Overall, pink roses suggest a gentleness compared to the typical bright red rose. They are seen as a token of admiration when given to someone. Just like with red roses, pink’s varying […]
Who is the father of correlation?
Who is the father of correlation? Sir Francis Galton What is the formula of Karl Pearson coefficient of skewness? Step 1: Subtract the mode from the mean: 70.5 – 85 = -14.5. Step 2: Divide by the standard deviation: -14.5 / 19.33 = -0.75. Pearson’s Coefficient of Skewness #2 (Median): Step 1: Subtract the median […]
What is the center of a hurricane called?
Which is the thinnest and outermost layer of the atmosphere?
Which is the thinnest and outermost layer of the atmosphere? The Earth can be divided into four main layers: the solid crust on the outside, the mantle, the outer core and the inner core. Out of them, the crust is the thinnest layer of the Earth, amounting for less than 1% of our planet’s volume. […]
Can light be seen?
Can light be seen? Our eyes detect light that strikes the retina. And what we consciously perceive are the objects, from which the detected light, originates. So we do not see light, we see the (brains representation) objects. LIGHT, LIGHT AND LIGHT. Why is light so important in our daily lives? Light is the main […]
How would sea turtles be affected by glacier melting?
How would sea turtles be affected by glacier melting? The Problem: Because sea turtles use both marine and terrestrial habitats during their life cycles, the affects of climate change are likely to have a devastating impact on these endangered species. With melting polar ice caps and rising sea levels, these beaches are beginning to disappear. […]
Does food processing play an important role in your daily living?
Does food processing play an important role in your daily living? Food processing can lead to improvements in, or damage to, the nutritional value of foods, sometimes both at the same time, and it can help to preserve nutrients that would otherwise be lost during storage. They play an important role in preserving the freshness, […]