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 […]

Who proposed punctuated equilibrium?

Who proposed punctuated equilibrium? Stephen Jay Gould What is punctuated equilibrium quizlet? Punctuated equilibrium. A theory that states species stay the same for a long time, then new species evolve suddenly due to global changes and mass extinction. Coordinated stasis. A pattern where most species appear at about the same time. Mass extinction. What is […]

What is transparent with examples?

What is transparent with examples? Materials like air, water, and clear glass are called transparent. When light encounters transparent materials, almost all of it passes directly through them. Glass, for example, is transparent to all visible light. Translucent objects allow some light to travel through them. What is example of opaque? An opaque object is […]

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? […]

What is the greatest degree of precision?

What is the greatest degree of precision? pipette How precise is a cm ruler? We can say that the measuring instrument is readable to ±0.05 cm. The ±0.05 cm means that your measurement may be off by as much as 0.05 cm above or below its true value. This value is called the uncertainty or […]

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