Yes, as plants age, the outer protective tissue undergoes changes. A strip of secondary meristem in the cortex forms layers of cork cells, which constitute the outer layer of the branch and stem.
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Yes, an object can accelerate even if its speed remains constant. This happens when there is a change in the direction of its motion. For example, an object moving in a circular path at a constant speed is accelerating because ...
The spectacles used for a person suffering from nearsightedness (myopia) are concave lenses. Concave lenses are thinner at the center and thicker at the edges, diverging light rays entering the eye. This helps move the focal point backward onto the ...
A person suffering from farsightedness (hyperopia) has difficulty seeing nearby objects clearly. Hyperopia occurs when light entering the eye is focused behind the retina, causing nearby objects to appear blurry. This condition can often be corrected with convex lenses, which ...