The answer is that <span>healthy </span>legs<span> have </span>veins<span> with smooth, elastic walls that </span>are<span> perfectly designed to </span>adapt<span> to the changes in pressure within a </span>vein<span>. </span>Veins<span> have </span>valves<span> that keep blood moving in one direction: back toward the heart. As the </span>leg<span> muscles </span>are<span> activated, the </span>venous valves<span> open to </span>allow<span> one-way flow in the direction of the heart.</span>
The answer is : monocular depth
Monocular depth affect the perception that is held by an individual on<u> how far an object is located based on how big</u> the object look like in that individual's vision.
When the driver cross the railroad, the driver most likely thought that the train is still located far away form him/her because it looks small in the driver's perception. He misjudge it and caused the crash in the end.
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Answer:
Explanation:
We should keep these up as a nod towards our predecessors. They fought to make the country what it is today and even though one side was fighting for something bad doesn't mean we shouldn't remember. Remembering these parts of history will help us avoid making those mistakes in the future. Overall keeping them up would be just a reminder of what our country was and how far we have come.
