Square is a another quadrilateral and a rhombus
Answer:
Many human needs are met by plants and trees.
Most human needs for food, clothing, energy and medicinal needs are all met by plants and fruits, meat plants. Animals also depend on the existence of plants, meat fruits, and plants. Oxygen supply, carbon uptake from the environment and rainwater uptake into the soil, soil stabilization and prevention of soil erosion (high winds and showers) are other benefits of trees and plants in the environment.
The green space and the floral aroma of plants brought peace, joy and happiness to human beings. One of the most important places covered with trees and green space is the best place for recreation and human leisure. Existence of green space and trees can make the environment happy in landscapes and increase human life. Foliage of trees and plants absorbs airborne dust and reduces air pollution.
Airborne lead is the result of the activity of industrial units and motor vehicles and is one of the toxic and dangerous substances for humans, which is absorbed through respiration and has adverse effects and consequences on human health, which are caused by dense trees.
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Answer: C) stars in these regions are hidden by interstellar dust grains.</h2>
Explanation:
Some areas of the Milky Way seem dark because those are areas of the galaxy that are hidden by huge columns of interstellar dust that we cannot see through the visible range of the electromagnetic spectrum (which is the range in which our eyes see).
However, to solve this problem, astronomers use telescopes that work in the range of infrared and radio waves, to observe a little more through this intersetelar dust.
