What are the different types of electoral system? The electoral systems currently in use in representative democracies can be divided into two basic kinds: majoritarian systems and proportional representation systems (often referred to as PR). In majoritarian electoral systems, winning candidates are those having attracted the most votes in a given electoral district. What are […]
Why is cohesion in water important?
Why is cohesion in water important? The cohesion of water molecules helps plants take up water at their roots. Cohesion also contributes to water’s high boiling point, which helps animals regulate body temperature. How do you use the word cohesive? Cohesive in a Sentence ? To make perfect pie dough, you must mix the ingredients […]
Why do we see sun before sunrise?
Why do we see sun before sunrise? The rising sun is visible to us before actual sun rise and after actual sunset because of the atmospheric refraction of light. The rays from the sun coming through space enter from rarer to the denser medium and hence bend slightly towards normal at each refraction and become […]
What is the net force of a rock falling at constant terminal velocity?
What is the net force of a rock falling at constant terminal velocity? Objects falling through a fluid eventually reach terminal velocity . At terminal velocity, the object moves at a steady speed in a constant direction because the resultant force acting on it is zero. Why does a parachutist does not fall with constant […]
What sport has the worst injuries?
What sport has the worst injuries? Believe it or not, basketball actually has more injuries than any other sport, followed by football, soccer and baseball. Common sports injuries include hamstring strains, groin pulls, shin splints, ACL tears and concussions. What care should be taken when using sports equipment? Contents 1 Introduction. 2 Protective Materials. 3 […]
Why is the gravitational constant important?
Why is the gravitational constant important? The constant, G, determines the strength of Newton’s inverse square law in a particular system of physical units and is, not surprisingly, known as Newton’s constant of gravitation. It is considered to be a fundamental constant of nature. Gravity is also by far the weakest force. Who found the […]
How do I get rid of dry ice?
Is distance a scalar or vector?
Is distance a scalar or vector? Distance is a scalar quantity that refers to “how much ground an object has covered” during its motion. Displacement is a vector quantity that refers to “how far out of place an object is”; it is the object’s overall change in position. Why distance is called a scalar quantity? […]
What are the similarities between mitochondria and chloroplast?
What are the similarities between mitochondria and chloroplast? Both the chloroplast and the mitochondrion are organelles found in the cells of plants, but only mitochondria are found in animal cells. The function of chloroplasts and mitochondria is to generate energy for the cells in which they live. The structure of both organelle types includes an […]
What are mixtures that Cannot be separated?
What are mixtures that Cannot be separated? An element is a pure substance that cannot be separated into simpler substances by chemical or physical means. There are about 117 elements. Which type of matter Cannot be broken down any smaller? a pure or elementary substance cannot be broken down into smaller or simpler constituents without […]