Answer: B
Explanation: From what my history class, it said that hunter gatherers came to North America from land bridges thousands of years ago, and primarily started in Alaska and Canada. Some Vikings did come here before Columbus but that is not the answer because they either left or didn't survive long.
It is by permitting exchange with both France and Britain. The business' situation in the vanguard of American readiness developed from its key import — always delivers were expected to transport American products to Great Britain and France, among other American partners — and from the Maritime Commission's capacity to regulate the business through means as changed as development contracts, shipyard auditors, and crude driving of contractual workers by commission authorities.
The Abbasid Dynasty founded Baghdad around the year 762. The decision to relocate the Islamic capital from Damascus (the capital of the prior Umayyads Dynasty) came after the Abbasid rulers usurped regional power from their predecessors and thus sought to relocate power to a distant area. Baghdad would eventually become a flourishing city during the Abbasid period until the infamous Sacking of Baghdad by the Mongols in 1258.
The railroads in Great Britain during the industrial revolution had a positive effect in helping the revolution go on. There were many ways railroads effected the revolution, like making transportation easy, or helping out the economy, but lets just focus on one major effect. Railroads effected the Industrial Revolution by making a high demand for metal, coal, and wood, which made the economy become richer. The reason why railroads effected these is because of the railroads, the price for metal and coal became higher. In order to make railroads, you would need metal and wood, and a lot of people wanted to be in the railroad industry, so people that had lots of metal and wood would sell them for high prices and make profit from it. Because people sold metal and wood for high prices, it helped the economy become richer. Coal was also another thing that was high in value. The reason why coal was high in value is because in order for a train to function during the revolution, it needed coal, and coal was the main thing that made a train move. People that had coal would sell them for high prices because a lot of people will demand for it, meaning that a lot of people would need it, and made profit from coal. This also was another factor that made the economy richer.
Yes, you are correct about change of water into water vapours , also you will think it is doesn't have any importance and is waste for the plant energy. But it is a “NECESSARY EVIL” as it cools down the plant , transport water,minerals and also Plant hormones,etc. May you got your answer