A food chain illustrates the transfer of energy in an ecosystem, showing the sequential flow of organisms consuming one another. Producers, consumers, and decomposers play vital roles in sustaining this dynamic process.
Discussion Forum Latest Questions
A concave lens is a transparent optical device with curved surfaces that diverges light rays. It causes parallel light rays to spread out and is commonly used in correcting nearsightedness in eyeglasses.
A convex lens is a transparent optical device with curved surfaces that converges light rays, causing them to meet at a focal point. It is used in magnifying glasses, cameras, and eyeglasses.
Exposure of certain metals to sunlight may lead to photochemical reactions, causing oxidation or corrosion. Ultraviolet (UV) radiation can accelerate these processes, affecting the appearance and properties of the metal.
Exposed iron reacts with oxygen and moisture in the environment, forming iron oxide, commonly known as rust. This corrosion weakens the metal, leading to degradation and loss of structural integrity.