What is specific gravity and its unit? The term specific gravity, symbolized sp gr, refers to the ratio of the density of a solid or liquid to the density of water at 4 degrees Celsius. To find the sp gr of a solid or liquid, you must know its density in kilograms per meter cubed […]
What is the power efficiency?
What type of government has no rules?
What type of government has no rules? Absolute monarchy – a form of government where the monarch rules unhindered, i.e., without any laws, constitution or legally organized opposition. Anarchy – a condition of lawlessness or political disorder brought about by the absence of governmental authority. What kind of government controls everything? A dictatorship (government without […]
Why am I so tired after a long drive?
Why am I so tired after a long drive? You have to be mindful of your speed at all times, worrying about other drivers around you, anticipating lane changes and whether or not the driver in front of you is slowing down. Your brain is working pretty hard when you’re driving and can become exhausted […]
What are the two nitrogen atoms?
What are the two nitrogen atoms? Molecular nitrogen (N2) is a very common chemical compound in which two nitrogen atoms are tightly bound together. Molecular nitrogen is a colorless, odorless, tasteless, and inert gas at normal temperatures and pressures. About 78% of Earth’s atmosphere is nitrogen. How many atoms are present in nitrogen? two Is […]
Does sound exist if no one hears it?
Does sound exist if no one hears it? The definition of sound, simplified, is a hearable noise. The tree will make a sound, even if nobody heard it, because it could have been heard. The answer to this question depends on the definition of sound. Since sound does not exist without our hearing of it, […]
How does temperature affect the motion in liquids?
How does temperature affect the motion in liquids? In liquids, particles are quite close together and move with random motion throughout the container. With an increase in temperature, the particles move faster as they gain kinetic energy, resulting in increased collision rates and an increased rate of diffusion. What is the effect of high temperature […]
What is acceleration very short answer?
What is acceleration very short answer? The definition of acceleration is: Acceleration is a vector quantity that is defined as the rate at which an object changes its velocity. An object is accelerating if it is changing its velocity. What causes acceleration? Acceleration and velocity Newton’s second law says that when a constant force acts […]
What are the three major differences between DNA & RNA?
What are the three major differences between DNA & RNA? So, the three main structural differences between RNA and DNA are as follows: RNA is single-stranded while DNA is double-stranded. RNA contains uracil while DNA contains thymine. RNA has the sugar ribose while DNA has the sugar deoxyribose. What is the role of carrier RNA […]
What is the main difference between vascular?
What is the main difference between vascular? Comparison Chart Basis for Comparison Vascular Plants Roots Vascular plants have a proper root system, which supports the plants to anchor the soil and gets nutrients from it. Leaves Leaves have well defined shape and play role in photosynthesis. Stomata works in gas exchange. Which plant is a […]