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Cognitive conservatism is a psychological phenomena whereby it is harder to change a belief once you have it. This gets more severe as you get older.
Gypsum slows down the setting of cement. Although the terms cement and concrete often are used interchangeably, cement is actually an ingredient of concrete. Concrete is basically a mixture of aggregates and paste. The aggregates are sand and gravel or crushed stone; the paste is water and portland cement. Concrete gets stronger as it gets older. Portland cement is not a brand name, but the generic term for the type of cement used in virtually all concrete, just as stainless is a type of steel and sterling a type of silver. Cement comprises from 10 to 15 percent of the concrete mix, by volume. Through a process called hydration, the cement and water harden and bind the aggregates into a rocklike mass. This hardening process continues for years meaning that concrete gets stronger as it gets older. So, there is no such thing as a cement sidewalk, or a cement mixer; the proper terms are concrete sidewalk and concrete mixer.
its MATH because it is really hard. in elamentry school its easy but in 6th grde and above it gets harder the older the grades are:)
When you get older, you become less capable of doing things. Running gets harder, lots of things get harder. Your bones get weaker.
No, Do not drill a hole in your muffler! The water evaporate when the car gets warmed up. If you drill a hole in your muffler, The next time it gets inspected it will fail.
More explanation gets a much better answer.
no. you need to get that checked out buddy
One possible answer might be people - people get shorter the older they get.
Yes a gerbil will start to move slower when it gets older.
Polyethylene gets harder as the number of carbon atoms increases.
It gets harder and harder.
Benjamin Button.