What are the two water conservation practices? One of the strategies in water conservation is rain water harvesting. Digging ponds, lakes, canals, expanding the water reservoir, and installing rain water catching ducts and filtration systems on homes are different methods of harvesting rain water. What can you do to conserve water outside? Conserving Use a […]
Where should an object be placed in front of concave mirror so that the image is virtual and erect?
Where should an object be placed in front of concave mirror so that the image is virtual and erect? The object should be placed within the focus (between the pole and the focus) and in front of the concave mirror in order to obtain a virtual, erect and magnified image. At what position should an […]
What are the five factors that affect population?
What are the five factors that affect population? Factors influencing population growth Economic development. Education. Quality of children. Welfare payments/State pensions. Social and cultural factors. Availability of family planning. Female labour market participation. Death rates – Level of medical provision. What factors affect animal population? In the natural world, limiting factors like the availability of […]
What type of energy does burning food release?
What type of energy does burning food release? This food is oxidized (or “burned”) inside our bodies during digestion. As this happens, chemical energy stored in the food is converted to heat energy (to maintain our constant body temperature), mechanical energy (to move our muscles), and electrical energy (for nerve transmission). What form of energy […]
What are the 4 common concepts in nursing theory?
What are the 4 common concepts in nursing theory? According to the four concepts common in nursing theory; the person (patient), the environment, health & nursing (goals, roles, functions) can be analyzed. Each of these concepts is usually defined and described by a nursing theorist. Of the four concepts, the most important is that of […]
What are the basic principles of social facilitation?
What are the basic principles of social facilitation? Social facilitation is the theory that we tend to do better on easy tasks when we know we are being watched or assessed. We do less well on more complex tasks when we know we are being observed by others. What are the effect of social facilitation? […]
What is the role of heat and pressure to metamorphism?
What is the role of heat and pressure to metamorphism? Metamorphism occurs because some minerals are stable only under certain conditions of pressure and temperature. When pressure and temperature change, chemical reactions occur to cause the minerals in the rock to change to an assemblage that is stable at the new pressure and temperature conditions. […]
Can Methanol be broken down by a chemical change?
Can Methanol be broken down by a chemical change? Which substance can be decomposed by a chemical change? Reason: when it said a substance, think of the matter chart. Substances can be broken down to a compounds or elements. Beryllium, Boron, and Magnesium are elements and Methanol is a compound which can be chemically change. […]
Is iron rusting in the presence of moist air a physical change?
Is iron rusting in the presence of moist air a physical change? Rust is a reddish-brown substance formed on iron when it has been exposed to fresh air and moisture for a long time. This process is a chemical change called rusting. What is the chemical reaction of rusting? Rusting is an oxidation reaction. The […]
What happens if u eat chalk?
What happens if u eat chalk? Chalk is considered non-toxic in small amounts. If large amounts are eaten, it can be irritating to the stomach and cause vomiting. Chalk can be a choking hazard for very young children. CAUTION: Eating pool or billiard chalk can be different than school and blackboard chalk because it may […]