What are the 3 species concepts? The answer to these questions depends on one’s species concept. The concept of species is an important but difficult one in biology, and is sometimes referred to the “species problem”. Some major species concepts are: Typological (or Essentialist, Morphological, Phenetic) species concept. What is this biological concept? The biological […]
Is the rate at which velocity changes is called acceleration?
Is the rate at which velocity changes is called acceleration? Explanation: Acceleration is defined as the rate of change of velocity. Velocity is a vector, which means it contains a magnitude (a numerical value) and a direction. So the velocity can be changed either by changing the speed or by changing the direction of motion […]
What tissue has the highest rate of mitosis?
What tissue has the highest rate of mitosis? Skin cells Can cell division be slowed down? In a novel study comparing healthy cells from people in their 20s with cells from people in their 80s, researchers at the Johns Hopkins Kimmel Cancer Center say they have documented that cell division rates appear to consistently and […]
How long of a walk is a 1 minute drive?
What are the advantages of using a bar graph?
What are the advantages of using a bar graph? Advantages show each data category in a frequency distribution. display relative numbers or proportions of multiple categories. summarize a large data set in visual form. clarify trends better than do tables. estimate key values at a glance. permit a visual check of the accuracy and reasonableness […]
Is enthalpy of atomisation always negative?
Is enthalpy of atomisation always negative? Enthalpy of atomization is the amount of enthalpy change when a compound’s bonds are broken and the component elements are reduced to individual atoms. Enthalpy of atomization is always a positive value and never a negative number. Enthalpy of atomization is denoted by the symbol ΔHa. What does negative […]
What determines the shape of orbit?
What determines the shape of orbit? Orbital Speed determines the orbit shape: Circular Speed. Escape Speed. What is the lifespan of a satellite? For low-altitude satellites, two to three years may be acceptable owing to the action of molecular drag on the body of the satellite. In a geostationary satellite orbit (GSO), there is negligible […]
Is oil a homogeneous product?
Is oil a homogeneous product? Still, oil is still relatively homogeneous compared to many other goods – relative to most manufactured goods, for example. It is sufficiently homogeneous to be traded on organized exchanges. In which market the goods are homogeneous? perfect competition What is a homogeneous linear equation? A system of linear equations is […]
How do you know if a resistor is parallel?
How do you know if a resistor is parallel? Let us summarize the major features of resistors in parallel: Equivalent resistance is found from. and is smaller than any individual resistance in the combination. The potential drop across each resistor in parallel is the same. Parallel resistors do not each get the total current; they […]
When did Canada convert to metric?
When did Canada convert to metric? 1970 What cups do Canadians use? Canada now usually employs the metric cup of 250 mL, but its conventional cup was somewhat smaller than both American and imperial units. Why is UK and US fl oz different? In 1824, the British Parliament defined the imperial gallon as the volume […]