What is a periscope Class 6? A periscope is an instrument for observation over, around or through an object, obstacle or condition that prevents direct line-of-sight observation from an observer’s current position. In its simplest form, it consists of an outer case with mirrors at each end set parallel to each other at a 45° […]
What force is used when you lift an object?
What force is used when you lift an object? gravitational potential energy Is it safer to push or pull a trolley? Putting the load on a trolley and pushing it is one way of avoiding carrying. So, when people push and pull instead of lifting and carrying, less effort is required, but there may still […]
Why should mass not be represented by an arrow?
What is the oldest commercial still running?
What is the oldest commercial still running? Discount Tire commercial What is the longest TV show in history? The Simpsons Who is the highest paid commercial actor? Jonathan Goldsmith became the ever famous ‘Most Interesting Man In the World’ in 2006. He stands as one of the highest net worth commercial actors at around $8 […]
How do I make my hair grow faster and thicker?
How do I make my hair grow faster and thicker? How To Grow Hair Faster – Thicker and Longer Hair Trim frequently To Grow Hair Faster. Reduce Frequency of Colouring. Brush Your Hair Before Going to Bed. Eat right For Hair Growth. Stay Away From Styling Tools. Don’t Shampoo Every Day. Rinse Your Hair With […]
What would happen if a gamma ray hit Earth?
What would happen if a gamma ray hit Earth? With the gamma-rays beamed directly at Earth, the radiation would destroy a significant portion of our atmosphere, specifically the ozone layer. The photons streaming from the burst would cause chemical reactions leading to photochemical smog. This would further deplete our protection from cosmic rays. How far […]
Which type of organisms are called consumers?
Which type of organisms are called consumers? Consumers are typically viewed as predatory animals such as meat-eaters. However, herbivorous animals and parasitic fungi are also consumers. Which organisms are considered Heterotrophs? Heterotrophs are known as consumers because they consume producers or other consumers. Dogs, birds, fish, and humans are all examples of heterotrophs. Heterotrophs occupy […]
What can be used to recover serial number?
What can be used to recover serial number? etching reagent Which chemical helps reveal a damaged serial number? To reveal destroyed serial numbers on weapons made of nonmagnetic materials, such as zinc, aluminum or alloy substances, crime laboratories must still use chemical etching, a process that uses strong acids and typically reveals a serial number […]
Why is it called Bicarb?
Why is it called Bicarb? 1 Answer. The prefix bi in bicarbonate comes from an outdated naming system and is based on the observation that there is twice as much carbonate (CO3) per sodium in sodium bicarbonate (NaHCO3) as there is in sodium carbonate (Na2CO3). Is sodium bicarbonate the same as baking soda? Baking soda […]
What is the most important part of preparing for a presentation?
What is the most important part of preparing for a presentation? The introduction is the most important part of your presentation as it sets the tone for the entire presentation. Its primary purpose is to capture the attention of the audience, usually within the first 15 seconds. What are the factors that affect effective presentation? […]