What is the first law of thermodynamics, and what are its implications for natural resource management?
What will be an ideal response?
This law says that the total energy and mass in the universe are constant and conserved. This law is important because it says that there is a finite amount of energy on Earth. Humans cannot make new energy. This law has also saluted the balancing of all chemical reactions, where we acknowledge that mass is conserved, even though we may change its form. In terms of our management of resources, especially those that are nonrenewable, it implies that efficient and sustainable use of energy and materials is extremely important since their abundance is limited.
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What evidence tells us that Earth has a distinct concentration of high-density material near the center and does not gradually transition from low-density to high-density rock?
What will be an ideal response?
Why is it important that people with heart problems (hypertension) not drink softened water? What will be an ideal response?
The St. Lawrence Valley and the Ontario Peninsula form the manufacturing heartland of Canada, producing perhaps ________ percent of the nation's industrial output
A) 25 B) 50 C) 75 D) 95
Australia is among the world's most prosperous countries; in fact, their GNI PPP is above that of France and Germany
Indicate whether the statement is true or false