What does it indicate if BOD is high? Higher BOD indicates more oxygen is required, which is less for oxygen-demanding species to feed on, and signifies lower water quality. Inversely, low BOD means less oxygen is being removed from water, so water is generally purer. What is COD and BOD of water? COD or Chemical […]
What happens if you drive over 50 on a spare?
Is leaning forward while sitting bad for your back?
Is leaning forward while sitting bad for your back? Simply put, leaning forward in an attempt to get closer to the computer screen increases the strain on the back, which may cause wear and tear on the joint surfaces, ligaments, and discs. The back muscles are continuously working to maintain the body in an upright […]
Why does a spoon in a glass of water look bent?
What kind of variable is behavior?
What kind of variable is behavior? An ordinal variable is a categorical variable for which the possible categories can be placed in a specific order or in some ‘natural’ way. In Table 2, the variable ‘behaviour’ is ordinal because the category ‘Excellent’ is better than the category ‘Very good’, etc. Which of the following is […]
What colors are the parents shown in Punnett Square B?
What colors are the parents shown in Punnett Square B? What color are the parents shown in the punnet square B? The white guinea pig is homozygous (bb) and the black guinea pig is heterozygous (Bb). If the black guinea pig parent were a homozygous (BB) then there would be no chance for the offspring […]
What is quantum number in chemistry?
What is quantum number in chemistry? The set of numbers used to describe the position and energy of the electron in an atom are called quantum numbers. There are four quantum numbers, namely, principal, azimuthal, magnetic and spin quantum numbers. The values of the conserved quantities of a quantum system are given by quantum numbers. […]
What is the difference between a force multiplier and a distance multiplier?
What is the difference between a force multiplier and a distance multiplier? Levers can be force multipliers, when they increase the force that is put in (the effort). They can be distance multipliers if they make the load move further than the effort. The amount the force or distance is multiplied depends on the distances […]
What is P-type semiconductor with example?
What is P-type semiconductor with example? A p-type semiconductor is a type of semiconductor. When the trivalent impurity is added to an intrinsic or pure semiconductor (silicon or germanium), it is said to be a p-type semiconductor. Trivalent impurities such as boron (B), gallium (Ga), indium (In), aluminium (Al) etc. are called acceptor impurity. Is […]
Which country has the smallest carbon footprint?
Which country has the smallest carbon footprint? Tuvalu What industry is the biggest polluter in the world? According to the report, fashion is responsible for 92 million tons of solid waste per year globally, representing 4% of the 2.12 billion tons of waste we dump globally each year. That is more than toxic e-waste and […]