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Answer question 19 showing fully all the steps. Solution should be simplified and easy to understand as much as possible!
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- 1. Which of the following is NOT a possible disadvantage of using biomass as a form of energy? o low photosynthetic efficiencyo low potential supplyo soil erosiono possibly nonrenewable2. A(n) ___ absorbs and stores heat from the sun directly within a structure o active solar heating systemo passive solar heating systemo active nuclear energyo passive nuclear energy3. The__ is the name for a system that produces two useful forms of energy from one o regenerationo post-generationo degenerationo cogeneration4. If nuclear fusion reactors could be built successfully, which of the following would NOT be one of their advantages? o little risk from terroristo lower levels of radioactive wasteo low cost of operationso no carbon dioxide emissions5. Which form of power has more advantages and fewer disadvantages than any other energy source?o fuel cell powero hydroelectric powero solar powero wind power6. Which of the following is a by-product of burning hydrogen, taken from water, as a fuel?o…3. Collect the data for the absorption spectrum of chlorophyll. nm 400 410 420 430 440 450 460 470 480 490 ABS 0.087 0.124 0.125 0.160 0.133 0.150 Name 0.143 0.109 0.076 0.035 nm 500 510 520 530 540 550 560 570 580 590 ABS 0.024 0.014 0.011 0.018 0.017 0.016 0.015 0.01 0.025 0.025 nm 600 610 620 630 640 650 660 670 680 690 700 ABS 0.039 0.040 0.041 0.042 0.074 0.100 0.155 0.025 0.029 0.016 0.004 4. Graph the absorption spectrum for your chlorophyll solution on the data sheet. Remember to label your X- and Y-axes and title your graph. 5. Discuss your findings from the table above. What does the ABS tell you about the absorp- tion at certain wavelengths and colors? What conclusions can you draw from this experi- ment? Refer to the graph shown earlier in this lab.1. Construct a table comparing natural gas, coal, and oil according to (a) origin, (b) fuel value, (c) other uses, (d) chemical composition, (e) environmental effects, etc. 2. Make a report on biofuels currently being studied and used in the Philippines. 3.Make a presentation on the advantages and disadvantages of using biofuels as an alternative energy source in the Philippines.
- 2. Illustrate the preparation of porous carbon materials using sugarcane biomass. End of document2. TO Part 3- Nitrogen Cycle: NTROGEN CYCLE Na, No, Ny, No NTROGEN Gas (W) HaKes up 78% axyBEN TO FoRA only soil bacteria Con use this! SIN Poop CHN MATERIAL Roots to alesor b BALDR Da DEMEY BACTERIA 1. What are the THREE ways that nitrogen enters the atmosphere? SON Where does the nitrogen end up? Who takes the nitrogen in or uses it last? 3. When an organism excretes waste, can a plant directly use it? 4. Once nitrogen enters the atmosphere (#1) , it can't be used right away. It enters the soil in an unusable form (N2) and an organism helps turn it into something that is usable (NO3). Highlight these organisms YELLOW. 5. Google what mutualistic relationships are. Summarize what you learned below. 6. There is a mutualistic relationship between two organisms in the diagram. Highlight the two organisms BLUE. 7. Explain how these two organisms benefit from each other in the mutualistic relationship. 8. How does the elephant get its source of nitrogen to make DNA and proteins like…4. For each variable note if there is an increase, decrease or if the process stays the same or is normal.Herbicide Chlorophyll AbsorptionOxygen ProductionNADPH ProductionATP Synthase ActivityG3P ProductionH-1H-2H-3H-4H-5
- 10. Explain how a raceway would be used to grow microalgae. What are the commercial bottlenecks. What are the typical growth rates and what are the requirements for microalgal growth and implications for CO2 sequestration using microalgae (1.8 kg of CO2 per produces 1 kg of microalgae)? 11. What is the relationship between growth rate and potential energy yield, how would you increase the energy yield. Emissions from coal are approximately 1 tonne of CO₂/MWh (e.g. tCO₂MWh-¹) Emissions from natural gas are about 0.5 tCO₂MWh-¹.Two arctic marine mammals that live in the same waters differ in the level of pollutants in their bodies. Bowhead whales have a lower pollutant load than ringed seals. What are some factors that might explain this difference?Efficiency of energy transfers in aquatic ecosystem is typically higher than in land ecosystems because ______. a. aquatic food webs include more endotherms b. algae do not make lignin c. primary production cannot occur in water d. all of the above
- Which of the following equations shows the relationship between gross primary productivity (GPP) and net primary productivity (NPP)? (a) GPP = NPP - photosynthesis (b) NPP =GPP -photosynthesis (c) GPP = NPP - plant respiration (d) NPP =GPP -plant respiration (e) NPP = GPP - animal respirationThe major source of nutrients in the headwaters of a small stream is form: a. dead leaves and other organic matter from adjacent land. b. photosynthesis by phytoplankton. c. photosynthesis by floating aquatic plants. d. the activity of chemoautotrophic bacteria. e. minerals from the underlying bedrock.6. Chlorophyll is used as one measure of algal biomass in natural waters. Name two other methods that might be used to measure algal biomass.