What best explains the type of energy present in natural gas? Answer: It is chemical energy, which is a type of potential energy. Explanation: Natural gas consists of mixture of hydrocarbons such as methane, butane and others which are chemical substances, thus they contain chemical energy stored in the bonds of the molecules. How can […]

What was Watson and Crick contribution to the discovery of DNA? Created by Rosalind Franklin using a technique called X-ray crystallography, it revealed the helical shape of the DNA molecule. Watson and Crick realized that DNA was made up of two chains of nucleotide pairs that encode the genetic information for all living things. How […]

What are the 3 possible outcomes of the universe? There are 3 possible outcomes for the universe: (1) an open universe, in which expansion will never stop; (2) a closed universe, in which the expansion will stop and turn into contraction; and (3) a flat universe, in which the expansion will slow to a halt […]

How many simple sugars are in a polysaccharide? of more than 10 sugar molecules. Polysaccharides can be straight or branched. starch The major storage form of carbohydrate in plants; starch is composed of long chains of glucose molecules in a straight (amylose) or branching (amylopectin) arrangement. How many simple sugars are in a monosaccharide? Simple […]

What happens when you pour carbon dioxide over a flame? Carbon dioxide molecules are heavier than air. Because of this, they push the oxygen and other molecules in the air out of the way as they sink down over the flame and candle. When oxygen is pushed away from the wick, it can’t react with […]

What effect does long term noise exposure have on individuals? Exposure to prolonged or excessive noise has been shown to cause a range of health problems ranging from stress, poor concentration, productivity losses in the workplace, and communication difficulties and fatigue from lack of sleep, to more serious issues such as cardiovascular disease, cognitive impairment, […]

What is the formula used to find distance? Learn how to find the distance between two points by using the distance formula, which is an application of the Pythagorean theorem. We can rewrite the Pythagorean theorem as d=√((x_2-x_1)²+(y_2-y_1)²) to find the distance between any two points. Who is a reticent person? 1 : inclined to […]