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Ground retains some heat, so a road surface on soil stays warmer. A bridge deck is exposed to cold air on the top and the bottom, so it will lose heat faster and reach freezing tempratures sooner.
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Why do roads on bridges freeze up quicker than roads?
Because the ice starts to form under it and on top of it. It's easier for bridges to form ice than roads which only get ice on the top and usually the road on bridges are thinner than regular roads.
Does regular ice melt faster than salt ice?
There isn't anything called salt ice. Perhaps you mean salted ice? Salted ice actually melts faster than regular ice. That's why they put salt on the icy roads during the winter.
Does human hair grow faster in the summer or the winter?
The hair grows 10% faster in summer than in winter . Some says it is a myth but in real life it is a true factor .
Can winter tires be used in summer?
If by winter tires, mean studded tires than no it not recommended to use them when the roads are clear because they will tear up the roads and are unnecessary. The reason you use studded tires is for better traction in the snow and ice.
Does human hair grow more than animal hair in winter?
yes 3 times faster
Why do you think curd turns sour faster in summer than in winter?
Because it is a temperature dependent change.
What were the advantages ans disadvantages of covered bridges?
An advantage to covered bridges is that they shield traffic from the elements (rain, snow, high winds, ect.). One semi-common disadvantage is that covered bridges tend to burn more easily than other types of bridges.
Why is diffusion faster in summer than in winter?
The rate of diffusion is increased when the temperature is higher (the movement of particles is increased).
Why do you think Curd sets faster in summer than in winter?
The bacteria (Lactobacillus) needs warmth to convert milk to curd. So the setting of curd is faster in summer.
Can cement bridges last longer than wooden bridges?
Yes they can last longer than wooden bridges. :)
How did the technological achievemants of the Romans help the strengthen their empire?
They were the stone-paved roads and bridges wit arches which were longer than ever before and could cross much wider rivers and valleys.
Do bears hair grow faster in winter?
A bear's metabolism slows to almost nothing during hibernation. Active bears do grow extra layers of hair during cold weather and the "winter fur" does grow faster than the normal summer growth.
