The first law of thermodynamics states that energy can neither be created nor destroyed.
Answer the following statement true (T) or false (F)
True
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Which of the following is an example of projects in line with Millennium Development Goals expected to help address poverty in undeveloped countries?
A) Banks in undeveloped countries make loans to open new restaurants, clothing stores, and shops. B) Loans are made to farmers to purchase basic farm equipment such as tractors, plows, fertilizers and wagons and to hire extra workers. C) Schools are encouraged to charge fees to help support the purchase of meals, new books and basic supplies. D) Elementary schools start serving meals to students from families with the lowest incomes.
What term refers to a substance's resistance to breakdown?
A. toxicity B. biomagnification C. persistence D. response E. dose
Climate models predict global warming will increase temperatures at every location on Earth.
Answer the following statement true (T) or false (F)
What happens to the surface area of exposed rock if a rock is fractured?
A. The surface area decreases as the rock is fractured. B. The surface area does not change because the volume does not change. C. The surface area increases as the rock is fractured. D. There are more pieces, but the surface area does not change.