Answer: By studying the fossil record we can tell how long life has existed on Earth, and how different plants and animals are related to each other. Often we can work out how and where they lived, and use this information to find out about ancient environments. Fossils can tell us a lot about the past.
By lowering the activation energy, it helps the reaction go faster.
Not all mixtures are solutions. It has to be a special homogeneous bond mixture composted of two or more substances
I believe the correct term to fill in the blank would be stretch. Any material that would experience some tensional stress would cause a change in the length of the material or it stretches. Hope this answers the question. Have a nice day.
Answer:
Increasing the number of trusses increases the strength of the bridge.
Explanation:
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