Answer:
High altitude – as altitude increases, the availability of oxygen decreases, making the air thinner and drier. The dryness can cause the nose to bleed.
You would find scales on a bird is it feet
<span>Wetlands improve water quality by all of the above. Filtration, distillation and osmosis are all process of filtering. Thus these given choices are all results of wetlands water quality.,</span>
Answer: Option (A) is the correct answer.
Explanation:
In a gravitational field, energy possessed by an object is known as gravitational potential energy.
Whereas kinetic energy is the energy possessed by an object due to its motion is known as kinetic energy.
Therefore, out of the given options description of water flowing downhill and spinning turbines is an example of gravitational potential energy transforming into kinetic energy.
Explanation:
Larger lenses are heavier, and tend to sag under their own weight, ruining the image quality as the lenses distort. The long mounting tubes are hard to make mechanically stiff, and so they tend to flex under the weight of the lens, making it hard to keep the optics in alignment.