What are the advantages and disadvantages of primary and secondary data? Some common advantages of primary data are its authenticity, specific nature, and up to date information while secondary data is very cheap and not time-consuming. Primary data is very reliable because it is usually objective and collected directly from the original source. What are […]
What is a plants main source of energy?
What is a plants main source of energy? 3.1 The Sun is the major source of energy for organisms and the ecosystems of which they are a part. Producers such as plants, algae, and cyanobacteria use the energy from sunlight to make organic matter from carbon dioxide and water. This establishes the beginning of energy […]
What is the hydrosphere made of?
What is the hydrosphere made of? The hydrosphere includes water that is on the surface of the planet, underground, and in the air. A planet’s hydrosphere can be liquid, vapor, or ice. On Earth, liquid water exists on the surface in the form of oceans, lakes and rivers. It also exists below ground—as groundwater, in […]
What is the difference between correlation and causation examples?
What is the difference between correlation and causation examples? Correlation is a relationship between two variables; when one variable changes, the other variable also changes. Causation is when there is a real-world explanation for why this is logically happening; it implies a cause and effect. So: causation is correlation with a reason. Are association and […]
What are the two categories of self-concept?
What are the two categories of self-concept? The self-categorization theory developed by John Turner states that the self-concept consists of at least two “levels”: a personal identity and a social one. In other words, one’s self-evaluation relies on self-perceptions and how others perceive them. What are the three parts of self-concept? Self-concept is an individual’s […]
How are charges for ions written?
How are charges for ions written? The charge numbers for ions (and also subatomic particles) are written in superscript, e.g. Na+ is a sodium ion with charge number positive one (an electric charge of one elementary charge). Which type of charges are present in ions give one example? A positively charged ion is known as […]
Can cotton be used for insulation?
Can cotton be used for insulation? Cotton is non-allergenic and adaptable; it insulates and absorbs more cost effectively than any synthetic or artificial fabric. Cotton is used in warm climates because it wicks moisture away from the skin. It is worn in layers of waffled fabric in cold climates to insulate. Why is distilled water […]
How do I open a point cloud file?
How do I open a point cloud file? Insert a Point Cloud File Open the Revit project. Click Insert tab Link panel (Point Cloud). Specify the file or files to link, as follows: For Look in, navigate to the location of the file(s). For Positioning, select: Click Open. For raw format files, you are prompted […]
When can we observe a chemical property?
When can we observe a chemical property? Chemical properties are very useful in identifying substances. However, unlike physical properties, chemical properties can only be observed as the substance is in the process of being changed into a different substance. What are chemical change properties? The signs of chemical change include changes in color, temperature, the […]