Answer:
Three
Explanation:
Throughout many years within it's history; The English language has been divided into three main periods: Old English (which occurred during 450-1100 AD), Middle English (which occurred during 1100-circa 1500 AD) and Modern English (which occurred since 1500)
Answer: Ectotherms depend mainly on external heat sources, and their body temperature changes with the temperature of the environment. Animals exchange heat with their environment through radiation, conduction—sometimes aided by convection—and evaporation.
Answer:
If Michael could have taken the noon train, he would have been in time for the meeting this evening
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