The train traveled 100km (50x2) down and then 375km (75x5) up. So the train is 275km (375-100) up from where it started.
If you want to see something in fine detail, you should focus the light the cornea. The lens works together with the cornea to focus light correctly on retina.
When light hit on retina special cells called photo receptors turn the light into electrical signals. The lens are the clear part of eyes behind the iris that help to focus light and image on retina to see something clearly.Lens is the important part of eye when it comes to focusing light so that we can see perfect clear image.
The retina is the most sensitive part which can effect by more light because retina convert incoming light into electrical impulse.
To learn more about Retina here
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Clams eat from the things they grow on so clams is the answer
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Rate of reaction will increase with the presence of a catalyst.
This is due to catalysts providing an alternative reaction pathway with lowered activation energy required, allowing an increased rate of reaction.
