Is oil really fossil fuel? Fossil fuels include coal, petroleum (oil), natural gas, oil shales, bitumens, and tar sands and heavy oils. For modern life, these energy sources rival food and water in importance. Why can’t we get rid of fossil fuels? We understand today that humanity’s use of fossil fuels is severely damaging our […]
What is causality theory?
What is causality theory? Causality is a genetic connection of phenomena through which one thing (the cause) under certain conditions gives rise to, causes something else (the effect). The essence of causality is the generation and determination of one phenomenon by another. A cause is an active and primary thing in relation to the effect. […]
What changes can matter undergo?
What changes can matter undergo? Matter can undergo changes of two basic types: physical changes and chemical changes. Physical changes are processes in which a material changes its physical appearance but not its basic identity. The evaporation of water is a physical change. What are the two kinds of changes that matter may undergo describe […]
Why do humans hear better in air than underwater?
Why do humans hear better in air than underwater? On land, sound travels through air conduction. This means that sound waves travel through the air, causing your eardrum to vibrate. Researchers have determined that bone conduction allows us to hear sounds underwater that are much higher in pitch than sounds we hear on land. Can […]
How do you get rid of x10 on calculator?
How do you get rid of x10 on calculator? Casio models: Press [SHIFT][MODE][6:Fix]. You are then prompted to enter a number between 0 and 9. The number you enter fixes the number of decimal digits your results will have. What does E 4 mean on calculator? The e−4 part means that the decimal point in […]
How many bodies are in the Body Farm?
How many bodies are in the Body Farm? five bodies What are the two primary goals of the Body Farm? Download ppt “THE BODY FARM PRIMARY GOAL: To understand the processes & timetable of postmortem decay, primarily to improve determining the “time since death” in murder.” What are the five stages of decomposition? A corpse […]
Why does path of light beam become visible while passing through a smoked room?
What does molar heat capacity depend on?
What does molar heat capacity depend on? Like the heat capacity of an object, the molar heat capacity of a substance may vary, sometimes substantially, depending on the starting temperature T of the sample and the pressure P applied to it. What is the unit of molar heat capacity? The molar heat capacity is the […]
What are the 3 causes of scarcity?
What are the 3 causes of scarcity? In economics, scarcity refers to resources that a limited in quantity. There are three causes of scarcity – demand-induced, supply-induced, and structural. There are also two types of scarcity – relative and absolute. How does scarcity affect your life examples? Scarcity of resources can affect us because we […]
Where do most humans live?
Where do most humans live? The world’s two most populated countries, China and India, together constitute about 36% of the world’s population. Africa is the second most populated continent, with around 1.34 billion people, or 17% of the world’s population. How many years do human live? 79 years What country has the least population? Vatican City […]