Which stove do you light first? A glass stove, a brick stove , and a wood stove. You only have 1 match. Which do you light up first? Answer: You light the match first. Can you light a match with your finger? Safety matches need to be struck on a match box, but strike-anywhere matches […]
Which polynomial is factored completely?
Which polynomial is factored completely? We say that a polynomial is factored completely when we can’t factor it any more. Here are some suggestions that you should follow to make sure that you factor completely: Factor all common monomials first. Identify special products such as difference of squares or the square of a binomial. Which […]
Which is higher MB or GB?
Are humans made of carbon-12?
Are humans made of carbon-12? The most important structural element, and the reason we are known as carbon-based life forms. About 12 per cent of your body’s atoms are carbon. How much of the human body is carbon 12? Only about 0.85% is composed of another five elements: potassium, sulfur, sodium, chlorine, and magnesium….Elemental composition […]
Why atoms tend to lose and gain electrons?
Why atoms tend to lose and gain electrons? Most atoms do not have eight electrons in their valence electron shell. Atoms that lose electrons acquire a positive charge as a result because they are left with fewer negatively charged electrons to balance the positive charges of the protons in the nucleus. Positively charged ions are […]
Why is gravity weaker underwater?
Why is gravity weaker underwater? This is because water exerts a kind of frictional force called “force of buoyancy”. When you throw something into water , the water below the object will push it upwards making the object weigh less. Why is there no gravity under water? There is gravity everywhere. Gravity is just the […]
Is heat a scalar or vector quantity?
Is heat a scalar or vector quantity? Heat is an aggregate measure of the amount of energy stored in a system of particles (a single particle doesn’t have a temperature), but it doesn’t point in any particular direction, so it’s a scalar. What is a zero vector give an example? When the magnitude of a […]
What are 3 types of symbiosis?
What are 3 types of symbiosis? Symbiosis is a close relationship between two species in which at least one species benefits. For the other species, the relationship may be positive, negative, or neutral. There are three basic types of symbiosis: mutualism, commensalism, and parasitism. What would be the best definition of an ecological relationship? The […]
What is the sound of a ship called?
What is the sound of a ship called? The sound of ship’s siren on the steam ship “Sołdek”. The recording was realized on board of the ship-museum belonging to the National Maritime Museum in Gdańsk (Poland). The sound of ship’s siren was used as so called fog signal, i.e. sound signal emitted by the ship […]