When would you use cumulative frequency? Cumulative frequency is used to determine the number of observations that lie above (or below) a particular value in a data set. The last value will always be equal to the total for all observations, since all frequencies will already have been added to the previous total. What is […]
What are the 5 functions of leaves?
What are the 5 functions of leaves? As one of the most important constituents of plants, leaves have several essential functions: Photosynthesis. Transpiration. Guttation. Storage. Defense. Conifer Leaf. Microphyll Leaf. Megaphyll Leaf. What are two function of leaves? Its main functions are photosynthesis and gas exchange. A leaf is often flat, so it absorbs the […]
What are 2 main types of scientific inquiry?
What are 2 main types of scientific inquiry? The word Science is derived from Latin and means “to know” Inquiry is the search for information and explanation. There are two main types of scientific inquiry: discovery science and hypothesis-based science. What is the scientific method of discovery? The process in the scientific method involves making […]
What is the heaviest element that really large stars can make by fusion?
Does pineapple lower blood pressure?
Does pineapple lower blood pressure? Pineapple Juice: Pineapple juice reduces hypertension due to the adequate presence of potassium and a lesser amount of sodium. (A cup of pineapple juice contains about 1 milligram of sodium and 195 milligrams of potassium. Why would your blood pressure be high and low? In other cases, some uncontrollable factors […]
What is the principle of fluid displacement in biology?
What is the principle of fluid displacement in biology? What is Archimedes’ principle? A body at rest in a fluid is acted upon by a force pushing upward called the buoyant force, which is equal to the weight of the fluid that the body displaces. If the body is completely submerged, the volume of fluid […]
What is the first basic principle of light?
What is the first basic principle of light? The First Basic Principle of Light ‘Light is a form of energy’ When light reaches a surface, it can be absorbed and transformed into other types of energy. What are the 2 special properties of light? The primary properties of visible light are intensity, propagation-direction, frequency or […]
Does multiplication always come first?
Does multiplication always come first? Order of operations tells you to perform multiplication and division first, working from left to right, before doing addition and subtraction. Continue to perform multiplication and division from left to right. Next, add and subtract from left to right. Multiply first. Do you multiply first if no brackets? Just follow […]
Which compound is the least soluble in water?
Which compound is the least soluble in water? alkane How do you know if a organic compound is water soluble? Small, polar organic compounds such as alcohols, aldehydes, ketones, amines, carboxylic acids, and a few phenols are soluble in water. Water-soluble compounds are tested with pH paper to see if they are acidic or basic. […]