Where did all life come from? Experiments suggest that organic molecules could have been synthesized in the atmosphere of early Earth and rained down into the oceans. RNA and DNA molecules — the genetic material for all life — are just long chains of simple nucleotides. Replicating molecules evolved and began to undergo natural selection. […]
Why is anti-discrimination important in the workplace?
Why is anti-discrimination important in the workplace? Non-discrimination is an integral part of the principle of equality. It ensures that no one is denied their rights because of factors such as race, colour, sex, language, religion, political or other opinion, national or social origin, property or birth. How hard is it to prove discrimination? Not […]
What is an example of an inference based on an observation?
What is an example of an inference based on an observation? For example, students can make the observation that a gecko has four short, skinny legs. They could then make the inference that the gecko moves very quickly because of the observable evidence of the leg shape. What is a example of inference? When we […]
What are green grasshoppers called?
What are green grasshoppers called? Katydids are a family of insects related to grasshoppers and crickets. They’re also called bush crickets or long-horned grasshoppers in some regions. What is a green grasshopper? Scientific name: Omocestus viridulus. The Common green grasshopper can be found in damp meadows and woodland rides throughout summer. Males can be seen […]
What is the meaning of proprioceptive sensation?
What is the meaning of proprioceptive sensation? Proprioception, or kinesthesia, is the sense that lets us perceive the location, movement, and action of parts of the body. It encompasses a complex of sensations, including perception of joint position and movement, muscle force, and effort. Proprioception is closely tied to the control of movement. Where does […]
Are all rocks radioactive?
Are all rocks radioactive? Almost all rocks and minerals exhibit a low level of natural radioactivity that can be attributed to one or some combination of these elements (Table 2). The minerals and rocks containing these elements are generally very wide- spread. Who uses radiocarbon dating? Libby about 1946. It has proved to be a […]
What does the word Hertz refer to in AC current?
What does the word Hertz refer to in AC current? Alternating current (ac) frequency is the number of cycles per second in an ac sine wave. Frequency is the rate at which current changes direction per second. It is measured in hertz (Hz), an international unit of measure where 1 hertz is equal to 1 […]
Can you trust manufacturer refurbished?
Can you trust manufacturer refurbished? Although there are some risks when it comes to buying refurbished electronics, there’s no reason to be put off just by the label “reburbished.” Buying refurbished can land you an incredible deal. Just buy it from the manufacturer or reputable dealer and with a long warranty to cover any problems—and […]
How many cats is too many in a home?
How many cats is too many in a home? So, how many cats is too many cats? There is no magic number at which “how many” becomes “too many.” It’s more like a magic threshold one crosses at which point life goes from being “feline-friendly” to “feline-unhealthy.” For some cat owners, “too many” means two […]
What is the taste of samosa?
What is the taste of samosa? How do you describe the taste of a samosa? Piercing the outer shell, you inhale the aroma and pause. You eat a piece, as the blended taste of brittle crust and soft potatoes laced with caraway, coriander and chillies dissolves. Words rendered redundant, your nod communicates the experience. Which […]