What is the first law of thermodynamics, and why is it important?
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 non-renewable, it implies that efficient and sustainable use of energy and materials is extremely important since their abundance is limited.
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Why is the warmest month of summer different in St. Louis and Oakland?
Six charts showing the average monthly temperature (in °C and °F) for seven U.S. cities are provided (the first letter of each month of the year is shown along the bottom of the charts). For each of the cities, the latitude and longitude, as well as the elevation, are provided.
Answer the question by comparing the temperature charts. In your answers, consider the one temperature control factor that is most responsible for the patterns shown (choose from latitude, land–water contrasts, wind patterns, or altitude). You may use the same answer for more than one question. You should locate each of the cities on a world map before trying to answer the question. If altitude is the main factor cited, calculate the expected temperature difference between the two cities based on the average lapse rate.
In a centrally planned economy, economic decisions are made by
A. government ministries B. the educated elite C. corporations D. the United Nations
Recycled tantalum accounts for approximately ________ of its availability for use in manufacturing.
Fill in the blank(s) with the appropriate word(s)
Devonian barrier-reef complexes were associated with evaporite deposition in the back reef platform
a. True b. False