Is Salt an ion?

Is Salt an ion? A salt is a compound composed of two ions – a positively charged ion and a negatively charged ion. The attraction between the two ions forms strong ionic bonds, giving salts a hard and brittle crystalline structure. How can you tell if a chemical is a salt? The name of a […]

Is the rotation of the Earth slowing down?

Is the rotation of the Earth slowing down? Earth’s rotation is slowing slightly with time; thus, a day was shorter in the past. This is due to the tidal effects the Moon has on Earth’s rotation. Atomic clocks show that a modern-day is longer by about 1.7 milliseconds than a century ago, slowly increasing the […]

What are the stages of life for a low mass star?

What are the stages of life for a low mass star? Low mass star Main Sequence. Low mass stars spend billions of years fusing hydrogen to helium in their cores via the proton-proton chain. Red Giant. When hydrogen fusion can no longer happen in the core, gravity begins to collapse the core again. Planetary Nebula. […]

What are the three ways to conserve resources?

What are the three ways to conserve resources? Three ways of conserving resources are: Resorting to alternative sources of energy which are renewable. Recycling of unwanted and waste products. By passing laws and abiding by it. Also it is important to spread awareness to bring about resource conservation. Why is it important to conserve resources? […]

What is a wave barrier?

What is a wave barrier? When the source moves at a speed equal to the speed of the wave, a barrier wave is produced in front of the source as each successive wave front piles on top of the previous one. This regions of constructive interference pattern is a physical reality that must be overcome […]

Where is the soil found?

Where is the soil found? Soils are complex mixtures of minerals, water, air, organic matter, and countless organisms that are the decaying remains of once-living things. It forms at the surface of land – it is the “skin of the earth.” Soil is capable of supporting plant life and is vital to life on earth. […]

Can a coefficient of friction be negative?

Can a coefficient of friction be negative? The frictional force can take a negative value as it opposes the relative motion whereas coefficient of friction cannot take negative values. Can coefficient of variation be greater than 1? The standard deviation of an exponential distribution is equivalent to its mean, the making its coefficient of variation […]

Who owns Canada?

Who owns Canada? The land of Canada is solely owned by Queen Elizabeth II who is also the head of state. Only 9.7% of the total land is privately owned while the rest is Crown Land. The land is administered on behalf of the Crown by various agencies or departments of the government of Canada. […]

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