Briefly describe the three main components of waste management. Which method is preferred?
What will be an ideal response?
The preferred approach to waste management is minimizing waste at its source. This is called source reduction. It includes the more efficient use of resources by manufacturers, reduced consumption, and the promotion of reuse, which includes purchasing used and durable goods and products with less packaging and donating unwanted items. The second best strategy is recovery, which includes recycling and composting. Paper, cardboard, glass, metal, plastic and e-wastes have all become increasingly recyclable as new technologies have developed and as markets for recycled materials grow. Biological decomposition or composting effectively recycles organic waste. Third, safe and effective disposal of what remains is typically accomplished through incineration and/or internment in landfills.
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Which of the following descriptions applies to sunspots?
A. They are warmer regions on the sun's surface. B. They are located in regions of strong magnetic fields. C. They reach a maximum size approximately every 15 years. D. They appear lighter than the rest of the sun's surface.
Which of the following correctly describes the composition of FAD?
A) adenine, flavin, a ribose and a ribitol linked by a diphosphate B) adenine, flavin, and two ribose molecules linked by a diphosphate C) adenine, flavin, and two ribose molecules linked by a triphosphate D) adenine, flavin, and two ribitol molecules linked by a diphosphate
What do forecasters use in place of isobars on ocean weather maps and why?
What happens to tectonic plates at a convergent boundary?
A. they are formed B. they are not formed nor recycled C. they are recycled