Why again does a cannon recoil when fired? Conservation of momentum explains why a gun or cannon recoils backwards when it is fired. When a cannon is fired, the cannon ball gains forward momentum and the cannon gains backward momentum. Before the cannon is fired (the ‘event’) the total momentum is zero. This is because […]
What are the following events in the mantle convection process?
What are the following events in the mantle convection process? Lithospheric plates move in the asthenosphere due to rising and sinking of materials is 1. The decomposition of radioactive elements causes heat in the interior part of the Earth. Heat slowly rises to the mantle and creates convection current. What are the two characteristics of […]
Why do plastic objects frequently become covered with dust?
Why do plastic objects frequently become covered with dust? Originally Answered: why do plastic objects frequently become covered with dust ? Most plastics are poor conductor of electric current and are not able to dissipate the static charge created on their surface . because of this static charge dust particles gets attracted and often stick […]
What is the name of the change of state from liquid to solid?
What is the name of the change of state from liquid to solid? freezing What do you call to the process of change of invertebrates as they grow? Invertebrates are animals that have no backbone or skeleton inside them. The young invertebrates change shape as they grow up in a process called metamorphosis. How do […]
Can you make a task recurring in Microsoft teams?
Which country has 24 hours darkness?
Which country has 24 hours darkness? Iceland Which country has 30 minutes night? Norway Is Norway dark for 6 months? In Svalbard, Norway, the northernmost inhabited region of Europe, there is no sunset from approximately 19 April to 23 August. The extreme sites are the poles, where the sun can be continuously visible for half […]
When should you wash your hand?
When should you wash your hand? Before and after treating a cut or wound. After using the toilet. After changing diapers or cleaning up a child who has used the toilet. After blowing your nose, coughing, or sneezing. What should you do if you spilled a tiny amount of hydrochloric acid on your hand? Skin […]
Which of the following is a measure of central tendency?
Which of the following is a measure of central tendency? Mean, mode and median are measures of central tendency (that is, the centre or middle of a set of data) and provide a single representative or typical value in a distribution. Which of the following is a measure of central tendency Mcq? Mean, median and […]
What affects the color of a mineral?
What affects the color of a mineral? Color in minerals is caused by the absorption, or lack of absorption, of various wavelengths of light. The color of light is determined by its wavelength. Some elements have electrons that absorb certain wavelengths or colors. What is difference between fracture and dislocation? A dislocation, also known as […]
How can you magnify the image formed in a pinhole camera?
How can you magnify the image formed in a pinhole camera? Answer: A positive lens can magnify an object when the object is close enough to the lens that it is within the lens’s focal length. Figure 5: Simple magnifying glass forms a magnified virtual image of the object. What happens if you enlarge the […]