What solution turns red litmus blue its pH is likely to be? Base turns red litmus blue and acid turns blue litmus red. Therefore the pH of solution is in base range which is from 7 to 14. Only option D has pH in this range thus the solution having pH 10 turns red litmus […]
Why we should not ban smoking?
Why we should not ban smoking? Scientists agree that smoking is dangerous. Tobacco smoke can cause cancer, strokes and heart disease. Smoking does not just harm the smoker – it also harms people nearby, who breathe in the smoke (this is called “passive smoking”). Smokers choose to smoke, but people nearby do not choose to […]
How do you test an overloaded circuit?
How do you test an overloaded circuit? How to Check for an Electrical Circuit Overload Turn off all appliances and wall switches and unplug all lamps and appliances plugged into the circuit. Locate the circuit panel, often found in the basement or garage of most homes. Power on the wall switches one at a time […]
Why does the earth switch polarity?
Why does the earth switch polarity? The reversals take place when iron molecules in Earth’s spinning outer core start going in the opposite direction as other iron molecules around them. As their numbers grow, these molecules offset the magnetic field in Earth’s core. What does normal polarity mean? Normal polarity is defined as the magnetic […]
What are the 5 things a graph needs?
What are the 5 things a graph needs? There are five things about graph that need our attention when designing graphs: visual structures, axes and background, scales and tick marks, grid lines, text. What are the main features of a graph? Key features include: intercepts; intervals where the function is increasing, decreasing, positive, or negative; […]
What is the maximum pressure in an airbag?
What are the characteristics of mid-ocean ridges?
What are the characteristics of mid-ocean ridges? Principal characteristics. Oceanic ridges are found in every ocean basin and appear to girdle Earth. The ridges rise from depths near 5 km (3 miles) to an essentially uniform depth of about 2.6 km (1.6 miles) and are roughly symmetrical in cross section. They can be thousands of […]
What is the size of a plane mirror to see the full view of yourself?
What are the reasons for melting of a fuse wire?
Is earthquake epicenter randomly distributed on Earth?
Is earthquake epicenter randomly distributed on Earth? Earthquake epicentres are not randomly distributed on earth. They occur wherever two tectonic plates meet. The collision of these plates leads to the occurrence of earthquakes and volcanoes. About 75% of world’s largest volcanoes and 90% of earthquakes occur along the Pacific Ring of Fire. How do you […]