What 4 Things protect the brain? The brain is protected by the skull (cranium), cerebrospinal fluid and 3 protective membranes (Meninges). How is brain protected inside a human body? The brain is protected by the bones of the skull and by a covering of three thin membranes called meninges. The brain is also cushioned and […]
What are the two main categories of matter?
What are the two main categories of matter? Classifying Matter Matter can be classified into several categories. Two broad categories are mixtures and pure substances. A pure substance has a constant composition. What can elements and compounds have in common? On first glance, elements and compounds might appear different, yet they share many similarities, like […]
How many Lux is a 100 watt bulb?
What enzyme converts glucose into ethanol?
What enzyme converts glucose into ethanol? Zymase What are the two methods of producing ethanol? It can be produced from petroleum via chemical transformation of ethylene, but it can also be produced by fermentation of glucose, using yeast or other microorganisms; current fuel ethanol plants make ethanol via fermentation. What is the enzyme in yeast […]
What does it mean to say that gravity and the normal force counterbalance each other?
What does it mean to say that gravity and the normal force counterbalance each other? it will accelerate in the same direction as the force. ordinarily, gravity and the normal force counterbalance each other. in other words: they cancel each other out. Is Net force the same as inertia? Note that the net force is […]
Are pencils magnetic?
Are pencils magnetic? Pencils are commonly made from non-magnetic materials; the shaft is usually made of wood or wood-like substitutes, with non-metallic paint, the core (commonly called the lead) is – despite the name – made from powdered graphite with a clay binder; no metal whatsoever, the eraser is made of rubber or plastic (if […]
What is the object distance when a virtual image is formed at a distance of 30 cm?
Why you should not sleep with your cell phone at night?
Why you should not sleep with your cell phone at night? The blue light from the screen suppresses melatonin The blue light that your smart phone emits is not only bad for your vision, but it’s bad for your brain too. Dr. Walia says that research has found a correlation between suppressed levels of melatonin […]
What are the 7 types of caves?
What are the 7 types of caves? Types of Caves Ice Caves. Ice caves are further classified into two types that are pretty much unrelated to each other. Sea Caves. Sea caves are among the most visually stunning sites that exist on earth. Solution Caves. Lava Caves. Eolian Caves or Wind Caves. Sandstone Caves or […]