What happens when electrons get excited? When an atom is in an excited state, the electron can drop all the way to the ground state in one go, or stop on the way in an intermediate level. Electrons do not stay in excited states for very long – they soon return to their ground states, […]
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 do you calculate J value?
What should oxygen and acetylene be set at?
What should oxygen and acetylene be set at? In case the recommended working pressure settings are not indicated, safe numbers are 40 psi for oxygen and 10 psi for acetylene, regardless of cutting tip size. Simply adjust them until you get a neutral flame, but pay close attention to the acetylene pressure to prevent it […]
How many slaves did Mansa Musa have?
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 does angle affect work?
How long is a train with 100 cars?
How long is a train with 100 cars? 5,200 feet What is the longest freight train in the world? TRANSNET, South Africa, broke its own record for operating the longest freight train, and set a new world record on October 24 when it ran a 375-wagon manganese train on the 861km Sishen – Saldanha heavy-haul […]
What is the best frequency for a tuning fork?
What is the function of the dermis?
What is the function of the dermis? The dermis is a fibrous structure composed of collagen, elastic tissue, and other extracellular components that includes vasculature, nerve endings, hair follicles, and glands. The role of the dermis is to support and protect the skin and deeper layers, assist in thermoregulation, and aid in sensation. What are […]
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 […]