How many slaves did Mansa Musa have? 12,000 slaves How rich was Mansa Musa in today’s money? With camel-loads of gold and salt, Mansa Musa’s net worth has been valued by modern-day scholars to be around $400 to $415 billion in modern money. Is King Solomon the richest man ever? Then there’s King Solomon, who […]
How might predator/prey relationships affect light pollution?
How might predator/prey relationships affect light pollution? Summary: A new study provides strong evidence that exposure to light pollution alters predator-prey dynamics between mule deer and cougars across the intermountain West, a rapidly growing region where nighttime skyglow is an increasing environmental disturbance. When the environment has reached its carrying capacity for the human population […]
What is meant by a free electron?
What is meant by a free electron? 1 : an electron within a conducting substance (as a metal) but not permanently attached to any atom. 2 : an electron moving in a vacuum. Who proposed free electron model? Hendrik A. What are the types of free electron theory? Classical free electron theory of metals (Drude […]
What is an experimental control example?
What is an experimental control example? Experimental controls are used in scientific experiments to prevent factors other than those being studied from affecting the outcome. For example, suppose a researcher feeds an experimental artificial sweetener to thirty laboratory rats and observes that eight of them subsequently die of dehydration. Why is it important to have […]
Is nitrous acid present in acid rain?
Is nitrous acid present in acid rain? Industrial areas tend to release nitrous oxides gas, or chlorine gas or sulfurous gas into the atmosphere, when these gases combine with water from the acid rain, they are turned to nitric acid (HNO3), chloric acid (HCl) or sulfuric acid (H2SO4) respectively. Is sulphurous acid present in acid […]
Is it OK to drink glucose daily?
Is it OK to drink glucose daily? Since glucose is used when needed, it does not have a daily dosing schedule. Call your doctor if your symptoms do not improve after using glucose. Can I drink glucose in empty stomach? This screening test involves drinking a sugary liquid, followed by a blood test an hour […]
Is the Ferber method cruel?
Is the Ferber method cruel? The Ferber method is not appropriate as a treatment for most child sleep problems. When parents consider sleep training, it’s usually because their children are experiencing bedtime problems and/or disruptive night wakings. How do I teach my baby to self soothe? Master the timing. Create a bedtime routine. Offer a […]
What does a sign in the Device Manager indicate?
What does a sign in the Device Manager indicate? On Windows 10, sometimes, Device Manager will show a device with a yellow exclamation mark. When this happens, it indicates that the system has encountered a problem with that particular piece of hardware. Usually, it comes down to a hardware conflict of some sort, or missing […]
How does volume affect rms speed?
How does volume affect rms speed? Since the temperature is remaining constant, the average kinetic energy and the rms speed remain the same as well. The volume of the container has decreased, which means that the gas molecules have to move a shorter distance to have a collision. What is the rms speed? The root-mean-square […]
What are five differences between plant and animal cells?
What are five differences between plant and animal cells? A plant cell contains a large, singular vacuole that is used for storage and maintaining the shape of the cell. In contrast, animal cells have many, smaller vacuoles. Plant cells have a cell wall, as well as a cell membrane. In plants, the cell wall surrounds […]