Why are solar eclipses dangerous? During a total solar eclipse so much of the sun is covered that a person may be tempted to stare at it directly. It is possible to suffer serious and permanent eye damage by looking at any type of solar eclipse and there is no treatment. Children are especially at […]
Can the wrong spark plug damage the engine?
Can the wrong spark plug damage the engine? Broken electrodes If the electrodes are broken off or flattened, it is likely that the wrong spark plugs are installed. A spark plug that is too long can cause extensive damage to your engine while a short spark plug can cause poor gas mileage and spark plug […]
When a cricket ball is thrown vertically upwards it reaches a maximum height of 5 Metre What was the initial speed of the world?
When a cricket ball is thrown vertically upwards it reaches a maximum height of 5 Metre What was the initial speed of the world? Note − The initial velocity was negative i.e. −10 m/s, as it was velocity against gravity because the ball was thrown upwards. This can be neglected. t (time) = ? Since […]
Is n2 3h2 2nh3 a balanced equation?
Is n2 3h2 2nh3 a balanced equation? Yes, the equation is balanced. There are the same number of Nitrogen (N) and Hydrogen (H) atoms on each side of the equation. What are all the chemical reactions in the body? Chemical reactions that take place inside living things are called biochemical reactions. The sum of all […]
What does a burnout feel like?
What does a burnout feel like? Being burned out means feeling empty and mentally exhausted, devoid of motivation, and beyond caring. People experiencing burnout often don’t see any hope of positive change in their situations. If excessive stress feels like you’re drowning in responsibilities, burnout is a sense of being all dried up. How long […]
Is there no ozone layer in Australia?
Is there no ozone layer in Australia? Despite strict control on these substances after the passing of the 1987 Montreal Protocol, Australia’s ozone still has a long road to recovery to reach its original levels. Full recovery of the ozone layer is not expected until at least the end of this century, if not well […]
Which change is currently the biggest contributor to global warming?
Which change is currently the biggest contributor to global warming? Human activities are responsible for almost all of the increase in greenhouse gases in the atmosphere over the last 150 years. The largest source of greenhouse gas emissions from human activities in the United States is from burning fossil fuels for electricity, heat, and transportation. […]
Can an atom be a molecule?
Can an atom be a molecule? Particles can be atoms, molecules or ions. Atoms are single neutral particles. Molecules are neutral particles made of two or more atoms bonded together. An ion is a positively or negatively charged particle. How does an atom become a molecule? Atoms come together to form molecules because of their […]
What waste product is released during photosynthesis?
What waste product is released during photosynthesis? carbon dioxide What are the tiny holes in leaves called? Stomata (noun, “STO-mah-tah”, singular “stoma”) These are the small pores in plant stems or leaves that allow carbon dioxide in and oxygen and water vapor out. Each tiny hole is surrounded by a pair of cells called guard […]
In which situation is no work done?
In which situation is no work done? When the force makes an angle with the direction of force the component of force along the direction of displacement is taken. If the force is perpendicular to the direction of displacement, work done is zero. When the displacement opposite to the direction of force, work is negative. […]