Category: Physics

What happens in cell to cell communication? Cells transmit and receive signals acquired from fellow cells or by the environment surrounding the cell. The signals are transmitted across the cell membrane to prompt a response. The signal can cross the membrane itself, or it can interact with receptor proteins that contact both the interior and […]

Is it safer to hit a car or tree? Trees do not crumple, they do not give way. Hitting a large tree is far more likely to kill you than hitting a car at the same speed. If you have to choose between a oncoming car and a stationary object then choose the stationary object. […]

What are the four parts of persuasive messages? What are the four parts of successful persuasive messages? gain attention, build interest, reduce resistance, and motivate action. What are three types of persuasive messages? There are three different types of persuasive speeches that are used to convince an audience: factual persuasive speech, value persuasive speech and […]

What prompts an engineer to improve world? But what prompts an engineer to improve our world? Well, they solve problems. Problems are an engineer’s inspiration, and maths and science are the creative tools they use to solve them. A mechanical engineer designed the engine, a mechatronics engineer devised that controls. How have engineers changed the […]

Is a kilo 1000? Kilo is a decimal unit prefix in the metric system denoting multiplication by one thousand (103). It is used in the International System of Units, where it has the symbol k, in lower case. The prefix kilo is derived from the Greek word χίλιοι (chilioi), meaning “thousand”. What does kilo mean […]

What kind of poem only has 3 lines? tercet What is a poem with 10 lines called? a decastich, a poem in 10 lines. What do you call a stanza with 7 lines? A seven-line stanza is known as a ‘septet. ‘ One specific type of septet which has been given a special name is […]

What stage are seeds formed? Seeds are the product of the ripened ovule, after fertilization by pollen and some growth within the mother plant. The embryo is developed from the zygote and the seed coat from the integuments of the ovule. How fruits and seeds are formed Class 7? Fruits and Seed Formation After fertilisation, […]

What is error data? A condition in which data on a digital medium has been altered erroneously. The error can manifest as several incorrect bits or even a single bit that is 0 when it should be 1 or vice versa. See parity checking. How can we avoid data entry error? 10 Tips to Prevent […]

Why do oil and water that mixed together separate into layers? The water molecules attract each other, and the oil molecules stick together. That causes oil and water to form two separate layers. Water molecules pack closer together, so they sink to the bottom, leaving oil sitting on top of the water. Why do you […]

What is a drawback of having an fMRI scan? General disadvantages of the method For a non-invasive scan, fMRI has moderately good spatial resolution. However, the temporal response of the blood supply, which is the basis of fMRI, is poor relative to the electrical signals that define neuronal communication. What is the oldest brain imaging […]