Which of the following statements is true?
1 Incandescent light bulbs are almost 100 percent efficient.
2 Endothermic reactions release heat.
3 Heat is considered "lost" energy because it cannot be used for work.
4 An electric drill gains energy in the form of heat and sound.
What role did the need for land and other natural resources play in Confederation? How did those needs lead the colonies to unite? (Canada)
Answer:
Confederation could offer the colonies strength through unity, an idea that gained steady support, especially in the wake of the US abrogation of the Reciprocity Treaty in 1866. In the face of dwindling external markets, Confederation could provide the colonies with the ability to sell goods to each other more easily.
Explanation:
