WHAT IS elements and compounds with example? Elements, mixtures and compounds Common examples include carbon, sulfur, oxygen, iron, copper, aluminium. Elements are represented by symbols. Compounds are substances made from atoms of different elements joined by chemical bonds. They can only be separated by a chemical reaction. What are the types of compounds? Types of […]
How do our eyes use refraction?
How do our eyes use refraction? Light rays enter the eye through the cornea, the clear front “window” of the eye. The cornea’s refractive power bends the light rays in such a way that they pass freely through the pupil the opening in the center of the iris through which light enters the eye. The […]
Does frontal lobe damage affect memory?
Does frontal lobe damage affect memory? Memory and attention Patients with damaged frontal lobes often complain of minimal to substantial memory loss. Because of this, frontal lobe injuries have long been associated with memory problems, despite little evidence actually showing this relation to be true. What activates the frontal lobe? Dopamine, a neurotransmitter that plays […]
Why is electrical resistance important?
Why is electrical resistance important? Resistance is another important property that can be measured in electrical systems. The same is true with electricity. Materials with low resistance let electricity flow easily. Materials with higher resistance require more voltage (EMF) to make the electricity flow. What is electrical resistance unit? Electric resistance has the dimension length […]
What methods are used to classify organisms?
What methods are used to classify organisms? 3 Ways to classify organisms Physiological Structures: Aristotle was one of the first scientists who began grouping organisms. Embryology and Ontogeny. Ontogeny is the development and changes that an embryo goes through as it changes from the fertilized egg to the organisms’ mature form. Phylogenetic Relationships: What are […]
What is the sum of the forces?
Where is bad ozone found?
Where is bad ozone found? troposphere Can ozone kill fungus? An ozone level of 0.4 ppm for 4 minutes has been shown to kill any bacteria, virus, mold and fungus. 1 parts per million is equivalent to: 8.345 pounds per million gallons (US). Mold and mildew are easily controlled by Ozone present in air and […]
What is a lock in clause?
What is a lock in clause? The lock-in provision contained in the mortgage documents completely restricts an owner’s ability to freely reconvey and reencumber their interest in a parcel of real estate. When applying real estate law, a lock-in clause becomes viewed as a restraint on alienation. What’s the meaning of exculpatory? Exculpatory is the […]
What is the effect of a missense mutation?
What is the effect of a missense mutation? A missense mutation is when the change of a single base pair causes the substitution of a different amino acid in the resulting protein. This amino acid substitution may have no effect, or it may render the protein nonfunctional. What are truncating mutations? Elimination of the N- […]
What are the three basic principles of exercise quizlet?
What are the three basic principles of exercise quizlet? The principles of exercise include the principle of overload, the principle of progression, and the principle of specificity. What are exercise principles? The principles of specificity, progression, overload, adaptation, and reversibility are why practicing frequently and consistently are so important if you want to improve your […]