Where do you put a hypothesis? The research question, the objective or hypothesis of the study, helps to set up context for what you have researched and why you chose to study this particular topic. Therefore, it is included in the Introduction of the manuscript. How do you write a hypothesis test problem? How to […]
Which link is missing from this food chain?
Which link is missing from this food chain? The decomposer is missing. The rabbit is the herbivore, the raspberry bush is the producer, and the owl is the consumer. The decomposer is the only thing not on there. Why are plankton important to marine ecosystems? Phytoplankton are vital to marine ecosystems. They are producers, or […]
Which of the following would be a potential safety hazard of indoor recreation?
Which of the following would be a potential safety hazard of indoor recreation? A potential safety hazard of indoor recreation is letter d – a liquid spill on the floor that was not cleaned. Is it important to take the weather into account when you are planning water activities? It is unimportant to take the […]
Is electricity free in Iceland?
Is electricity free in Iceland? The average monthly household electricity bill in Iceland is $20 – $30. This includes heating and water. The majority of Icelandic houses are heated by geothermal water. Iceland’s streets are heated by geothermal water so they do not become slippery in winter. How did Reykjavik get its name? Our historical […]
What happens when two oxygen atoms combine?
What happens when two oxygen atoms combine? When two oxygen atoms bond together to form an oxygen molecule, they share four electrons ? two from each oxygen atom. Other examples of covalent bonding are water (H2O), and carbon dioxide (CO2). Covalent compounds are usually liquids or gases with low melting points. Why do two oxygen […]
What is the point of a lightning rod?
What is the point of a lightning rod? While lightning rods help protect a structure from a direct lightning strike, a complete lightning protection system is needed to help prevent harmful electrical surges and possible fires caused by lightning entering a structure via wires and pipes. Does my house need a lightning rod? Statistically, lightning […]
Does heat change mass?
Does heat change mass? All internal energy such as thermal, rotational, and internal potential energy contributes to the rest mass of an object. So, yes, a hot object has greater rest mass and would weigh more when measured, if a scale were sensitive enough. Does heat effect mass? In almost every chemistry and introductory physics […]
How many tons is a 50kg bag of rice?
What is the best train system in the world?
What is the best train system in the world? Where are the world’s best metro systems? Hong Kong. Hong Kong’s MTR (mass transit railway) is renowned for being clean and fast. DALE DE LA REY/AFP/AFP/Getty Images. Seoul. Singapore. London. Paris. Madrid. New York City. Tokyo. Which is the best railway in the world? All aboard! […]
What human activities are affecting climate?
What human activities are affecting climate? Humans are increasingly influencing the climate and the earth’s temperature by burning fossil fuels, cutting down forests and farming livestock. This adds enormous amounts of greenhouse gases to those naturally occurring in the atmosphere, increasing the greenhouse effect and global warming. What are the main causes of climate change? […]