How do volcanoes affect landforms? Volcanoes also build landforms far from their vents through the spread and petrification of their magma and other pyroclastic materials. Fissure eruptions of basalt, often called “flood basalts,” can build vast lava plateaus that cover thousands of square kilometers. Lava flows often follow existing river drainages. What landforms are formed […]

What variables should be controlled in an experiment? In a controlled experiment, an independent variable (the cause) is systematically manipulated and the dependent variable (the effect) is measured; any extraneous variables are controlled. Can you have more than one dependent variable in a controlled experiment? Can I include more than one independent or dependent variable […]

Can you boil chlorine out of water? Does Boiling Water Remove Chlorine? Yes, boiling water for 15 minutes is one way to release all the chlorine from tap water. At room temperature, chlorine gas weighs less than air and will naturally evaporate off without boiling. But heating up the water to a boil will speed […]

What did Georg Simmel study? Simmel studied philosophy and history at the University of Berlin. in 1881 based on a study of Immanuel Kant’s theories of philosophy. Following his degree, Simmel taught philosophy, psychology, and early sociology courses at his alma mater. Who was the pioneer of the field of sociology? Auguste Comte What does […]

How do you test for sugar in food? Benedict’s solution is used to test for simple sugars, such as glucose. It is a clear blue solution of sodium and copper salts. In the presence of simple sugars, the blue solution changes color to green, yellow, and brick-red, depending on the amount of sugar. What is […]

Which nerve is missed in a Interscalene block? supraclavicular nerve Which nerve is spared in supraclavicular block? brachial plexus nerves How do you block a Musculocutaneous nerve? However, the musculocutaneous nerve is readily visualized and reliably anesthetized by a separate injection using ultrasound guidance. When required, the medial skin of the upper arm (intercostobrachial nerve, […]

What is nesting behavior in birds? A bird nest is the spot in which a bird lays and incubates its eggs and raises its young. Although nests are primarily used for breeding, they may also be reused in the non-breeding season for roosting and some species build special dormitory nests or roost nests (or winter-nest) […]

How do you know which graph to use? You would use: Bar graphs to show numbers that are independent of each other. Pie charts to show you how a whole is divided into different parts. Line graphs show you how numbers have changed over time. Cartesian graphs have numbers on both axes, which therefore allow […]

What are the effects of physical inactivity and sedentary lifestyle? Sedentary lifestyles increase all causes of mortality, double the risk of cardiovascular diseases, diabetes, and obesity, and increase the risks of colon cancer, high blood pressure, osteoporosis, lipid disorders, depression and anxiety. What does physical inactivity lead to? Not getting enough physical activity can lead […]

What region of the US is the best for solar and why? In general, the best places for capturing solar energy are in the South Western region of the United States. Arizona, New Mexico and parts of Southern California see more sunlight per day than most other regions of the country. Which state has the […]