Is inverted how you really look? You normally see yourself as a reflection such as in a mirror. This image is actually the reversed or “mirrored” image, not the photo. On the other persons phone seeing the image of you, they see the non-mirrored image which looks normal to them but weird to you. Is […]
Is the flat side of a battery negative?
Which object is not light source?
Which object is not light source? A few examples of artificial light sources include light bulbs, lamp posts and televisions. Without light sources we could not see the world around us, however, not every object we see is a light source. Many objects simply reflect light from a light source, for example tables, trees and […]
What are 4 factors that affect weather?
What are 4 factors that affect weather? Although many factors combine to influence weather, the four main ones are solar radiation, the amount of which changes with Earth’s tilt, orbital distance from the sun and latitude, temperature, air pressure and the abundance of water. What region of Earth has the least insolation? The sun’s rays […]
Is a cell phone an electronic device?
Is a cell phone an electronic device? A mobile device is an electronic device which its user can easily carry with them. Typical examples are a mobile phone, PDA and handheld game consoles. Mobile devices do not need an external power supply to work. Usually, they have a battery to hold electricity to work without […]
Which is better leaf or coil springs?
Which is better leaf or coil springs? Leaf springs are better for heavier vehicles and those who may need to haul more weight. They’re also simpler but less adjustable than coil springs. Coil spring suspension systems are better for performance driving as you can fine-tune your suspension. They offer greater comfort and flexibility for improved […]
Can two electric field lines intersect each other?
Can two electric field lines intersect each other? Electric lines of force never intersect because, at the point of intersection, two tangents can be drawn to the two lines of force. This means two directions of the electric field at the point of intersection, which is not possible. Why can’t two field lines intersect each […]
Which describes the role of carbon dioxide?
Which describes the role of carbon dioxide? Carbon dioxide is an atmospheric constituent that plays several vital roles in the environment. It is a greenhouse gas that traps infrared radiation heat in the atmosphere. It plays a crucial role in the weathering of rocks. It is the carbon source for plants. What is the importance […]
Why is physical activity important for a child?
Why is physical activity important for a child? Regular physical activity can help children and adolescents improve cardiorespiratory fitness, build strong bones and muscles, control weight, reduce symptoms of anxiety and depression, and reduce the risk of developing health conditions such as: Heart disease. Why is it important to participate in physical fitness assessment activities? […]