Stress can actually improve your ability to concentrate and perform if the level is moderate. <span>Better concentration and focus makes life easier and more productive, and anyone can make it happen. Hope this answers the question. Have a nice day.</span>
Answer:
I think it's A.
Explanation:
It contains significant amounts of valuable metals such as mercury, cadmium, and lead that can be harvested and sold.
The excerpt is from Of Plymouth Plantation, the journal by William Bradford who was the governor of Plymouth Colony in 17th century. It is the description of Bradford's account on the Indians named Squanto and Samoset and how they helped the Pilgrims to negotiate with Indian tribe chief. The excerpt shows that the Europeans were strangers for the Indians until the writing recalls the story of two aforementioned characters. They didn't understand the Europeans first and they were somehow trying to be careful. Therefore, the correct options are guarded and wary.
A. A UNIT OF ENERGY SUPPLIED BY FOOD.
A calorie is a unit of energy. Historically, scientists have defined "calorie" to mean a unit of energy or heat that could come from a variety of sources, such as coal or gas. In a nutritional sense, all types of food — whether they are fats, proteins, carbohydrates or sugars — are important sources of calories, which people need to live and function.
