What part of the retina is responsible for the sharpest vision? In the middle of the retina is a small dimple called the fovea or fovea centralis. It is the center of the eye’s sharpest vision and the location of most color perception. What part of the retina is most sensitive to light? fovea centralis […]
Do we need oxidants?
Do we need oxidants? Oxidation can damage vital molecules in our cells, including DNA and proteins, which are responsible for many body processes. Molecules such as DNA are needed for cells to function properly, so if too many are damaged, the cell can malfunction or die. This is why antioxidants are important. Why are oxidants […]
What is the code for major depressive disorder?
What is the code for major depressive disorder? Code F33. 1 is the diagnosis code used for Major Depressive Disorder (MDD), Recurrent, Moderate. It is a mental disorder characterized by a pervasive and persistent low mood that is accompanied by low self-esteem and by a loss of interest or pleasure in normally enjoyable activities. What […]
How does the jet stream affect the weather where you live?
How does the jet stream affect the weather where you live? How Do Jet Streams Affect Weather? The fast-moving air currents in a jet stream can transport weather systems across the United States, affecting temperature and precipitation. However, if a weather system is far away from a jet stream, it might stay in one place, […]
Is radioactive decay bad?
Is radioactive decay bad? Radiation can either kill cells or damage the DNA within them, which damages their ability to reproduce and can eventually lead to cancer. When radiation is present, high energy particles pass through your body. These can collide with atoms in your body and disrupt atomic structure. What is a decay constant […]
What is induction conduction and friction when charging an object?
What is induction conduction and friction when charging an object? Friction – the transfer of electrons from one object to the other. Conduction – by having two objects TOUCH each other and transfer electrons from one object to the next. Induction – By inducing electrons to move from one object to the other. What is […]
How many points are sustainable sites?
How many points are sustainable sites? SITES certification is based on a point system: the number of points that a project earns determines the certification level it receives….SITES Rating System. Certification Level Points SITES Certified 70-84 points earned SITES Silver 85-99 points earned SITES Gold 100-134 points earned What is meant by sustainable sites? The […]
What is the new technology in ESEM?
What is the new technology in ESEM? These problems can now be overcome, thanks to the new environmental scanning electron microscope (ESEM), which permits the imaging of wet systems with no prior specimen preparation. Which gas is used in SEM? However, the first images of wet specimens in an SEM were reported by Lane in […]
Do archeologists lick bones?
Do archeologists lick bones? Archaeologists sometimes used to lick artifacts they excavated in the field to determine if they were bone or not. That said, most modern archaeologists do not do either of these things because spit can contaminate artifacts, ruining archaeological information that could be picked up by things like residue analysis. Do people […]
Is strontium positive or negative?
Is strontium positive or negative? Positive and Negative Ions: Cations and Anions Family Element Strontium Strontium cation Barium Barium cation IB Silver IIB Zinc What is the correct formula for phosphorus pentachloride? Cl₅P What is phosphorus Pentabromide formula? PBr5 How do you use phosphorus pentachloride? Uses of Phosphorus Pentachloride – PCl Used as a catalyst […]