Why is MMHG used? MmHg means millimetres of mercury (Hg = mercury) and is used in EU member states and Switzerland to measure the pressure of body fluids, such as eg blood pressure. It goes back to a time when pressure was measured by means of a mercury column. How do you convert mm Hg […]
How do I compare two numbers as a percentage?
How do I compare two numbers as a percentage? First: work out the difference (increase) between the two numbers you are comparing. Then: divide the increase by the original number and multiply the answer by 100. % increase = Increase ÷ Original Number × 100. If your answer is a negative number, then this is […]
How many billion years did it take for humans to appear on Earth?
How many billion years did it take for humans to appear on Earth? Recognizable humans emerged at most 2 million years ago, a vanishingly small period on the geological scale. The earliest undisputed evidence of life on Earth dates at least from 3.5 billion years ago, during the Eoarchean Era, after a geological crust started […]
What are the 4 eating habits?
What are the 4 eating habits? There are four types of eating: FUEL EATING. This is the only reason we need to eat because food is fuel. JOY EATING. This is eating foods that don’t have nutritional value for our body (desserts, savoury snacks, and the like), but it provides pleasure. FOG EATING. STORM EATING. […]
Which coral reefs are in danger?
Which coral reefs are in danger? Almost 95% of coral reefs in Southeast Asia are threatened. Indonesia has the largest area of threatened coral reefs, with fishing threats being the main stressor on coral reefs. More than 75% of the coral reefs in the Atlantic are threatened. How do humans impact the coral reef? Pollution, […]
When did the Church kill scientists?
When did the Church kill scientists? The Galileo affair (Italian: il processo a Galileo Galilei) began around 1610 and culminated with the trial and condemnation of Galileo Galilei by the Roman Catholic Inquisition in 1633. Did Protestants burn heretics? In 1555 the Protestant bishops Hugh Latimer, Nicholas Ridley, and John Hooper were condemned as heretics […]
What is the highest bouncing ball?
What is the highest bouncing ball? Skyball What is the most bouncy thing in the world? The SkyBall is a softball-sized toy that bounces higher than nearly any other ball ever made. Filled with a combination of compressed air and helium, the SkyBall can bounce as high as 75 feet! What is the bounciest trampoline? […]
Why is argon the cheapest noble gas?
Which is brighter bulbs in series or parallel?
Which is brighter bulbs in series or parallel? Bulbs in parallel are brighter than bulbs in series. In a parallel circuit the voltage for each bulb is the same as the voltage in the circuit. Unscrewing one bulb has no effect on the other bulb. Which bulb will glow brighter in parallel? Key Points: In […]
How do you interpret a chi square test?
How do you interpret a chi square test? For a Chi-square test, a p-value that is less than or equal to your significance level indicates there is sufficient evidence to conclude that the observed distribution is not the same as the expected distribution. You can conclude that a relationship exists between the categorical variables. What […]