Question

In: Biology

What types of energy were people living in the area now called California using 500 years...

What types of energy were people living in the area now called California using 500 years ago?

What are the “three Rs” of waste reduction, which is the most efficient and important? Which takes the most energy?

Solutions

Expert Solution

  • 500 years ago people living in the area now called California used the alternative energy sources like solar energy, wind energy .
  • The three Rs of waste reduction are - Reduce, Reuse and Recycle.To recycle,reduce and reuse provides environmentally -friendly ways to reduce negative impact of growing waste on the natural environment.
  • REDUCE refers to the reduction of waste during production processes.
  • REUSE also helps reduce waste by using items multiple times before discarding them,if at all.
  • RECYCLE means to take a used material and remanufacture it to sell new.
  • Out of the three Rs of waste reduction the most efficient and important is to reduce the waste.Waste reduction and waste prevention is all about reducing waste at the source.In terms of waste managment ,it is always the best option.Reducing the amount of waste you produce is the best way to help the environment.
  • The process of changing the waste and non-useable materials into potentially useful material requires lot of energy.It is the key component of modern waste reduction procedure.The recycling reduces the consumption of raw materials and energy usage.It reduces the air and water pollution by reducing the need of conventional waste disposal.The process of waste recycling usually involves collecting and processing those materials ,which would otherwise be discarded as trash,and turning them new product.Therefore out of the three Rs -Recycling takes the most energy.

Related Solutions

2. People are living longer now compared to previous times. What are some of the factors...
2. People are living longer now compared to previous times. What are some of the factors contributing to that?
2. Now people are living and working much longer than they used to in the developed...
2. Now people are living and working much longer than they used to in the developed world. This demographic changes might be one reason currently we have a. low unemployment rate. b. low unemployment rate. c. high unemployment rate. d. low output rate. e. high inflation rate.
Forty randomly selected people were asked the number of people living in their home. Let X...
Forty randomly selected people were asked the number of people living in their home. Let X = the number of people living in one home. The results are as follows:    x frequency relative frequency 1 2 2 5 3 8 4 12 5 12 6 0 7 1 Complete the frequency table. Find the sample mean ? c. Find the sample standard deviation, s. What does this tell us about the data? d. Construct a histogram of the data....
What roles does economics play in California energy?
What roles does economics play in California energy?
Imagine that 30 years from now, the majority of citizens in California, Texas, Arizona, and New...
Imagine that 30 years from now, the majority of citizens in California, Texas, Arizona, and New Mexico vote to secede from the US and create a new, mainly Spanish-speaking country. Under what conditions, if any, should the US permit these four states to secede? Under what conditions, if any, should the US determine to retain these territories through military force is necessary? Please answer both questions. Thank you.
70% of people who are 30 years old will be alive ten years from now. In...
70% of people who are 30 years old will be alive ten years from now. In the random sample of 15 people, calculate the probability that... a) exactly 10 of them will be alive ten years from now b) at least 9 will be alive ten years from now c) at most 8 will be alive ten years from now d) how many of them would you expect to be alive 10 years from now e) let X be the...
According to historian/Professor Ronald Takaki, the WWII years were called the “Watershed years.” Please explain what...
According to historian/Professor Ronald Takaki, the WWII years were called the “Watershed years.” Please explain what he means and how WWII affected the various APA communities.
Selling Price        Living Area (Sq Feet)       No. Bathrooms No Bedrooms    Age (Years) $240,000            &nbs
Selling Price        Living Area (Sq Feet)       No. Bathrooms No Bedrooms    Age (Years) $240,000              2,022     2.5          3              20 $235,000              1,578     2              3              20 $500,075              3,400     3              3              20 $240,000              1,744     2.5          3              20 $270,000              2,560     2.5          3              20 $225,000              1,398     2.5          3              20 $280,000              2,494     2.5          3              20 $225,000              2,208     2.5          4              20 $248,220              2,550     2.5          3              20 $275,000              1,812     2.5          2              20 $137,000              1,290     1              2              20 $150,000              1,172     2              2              20 $649,000              4,128     3.5          3              20 $195,000              1,816     2.5         ...
in 500 words While in a grocery store taking careful observations of the types of people...
in 500 words While in a grocery store taking careful observations of the types of people who frequent the store, the types and availability of the products available for purchase, and the ease of finding both dominant culture (American/White culture) and cultural grocery items. After the observation period, the student should write a brief report that answers the following questions: 1. What type of food or products were most plentiful in the store? What types of food or products were...
Why are people retiring later in life now than they were previously? Is this because they...
Why are people retiring later in life now than they were previously? Is this because they don't want to "sit around all day" or because they have not accumulated a large enough nest egg?
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT