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Plants use carbon dioxide from the air and are therefore
called _____.
a. consumers
b. producers
c. decomposer
d. carbon fixers
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- Which of the following is not a fossil fuel? a. natural gas b. coal c. wood d. petroleumWhich one of the following is not caused due to the PV power plants? a. Land pollution b. Battery Pollution c. Eyesight problem d. EarthquakesThe main source(s) of hydrogen and oxygen for plants is (are)____ . a. soil and air c. water and fertilizer b. water and soil d. water and air
- The process whereby nitrogen is brought into organic molecules is called ________. a. nitrification b. denitrification c. nitrogen fixation d. nitrogen cyclingIn most ecosystems, the primary producers use energy from______ to build organic compounds. a. sunlight b. heat c. breakdown of wastes and remains d. breakdown of inorganic substances in the habitatS.1. Plant Organics produced gas. S.2. In shallow and moderate temperature hydrocarbon produced was gas. a. Statements 1 and 2 are both correct b. Statement 1 is correct, Statement 2 is wrong c. Statement 1 is wrong, Statement 2 is correct d. Statements 1 and 2 are both wrong
- We learned an ironic twist in the film called "The Other Inconvenient Truth." It was that a. agriculture creates more pollution than other sources, but we have to increase farming for the growing population b. that nitrogen in the soil is significant pollution, but if we don't use these fertilizers we will not have enough food c. That methane is produced by animals and by growing rice. So becoming vegetarian won't clear methane from the atmosphere. d. agriculture uses 70% of fresh water mined , causing a salt water pollution tooThe amount of energy available to heterotrophs is ________. Select one: a. net primary productivity (NPP) b. always equal c. kilocalories per unit area d. gross primary productivityWhat process brings nitrogen from the atmosphere into living system? A. Methanogenesis B. Denitrification C. Anammox D. Nitrogen fixation E. Nitrification
- The cyanobacteria in Lake Erie would best be described as .a. decomposersb. tertiary consumersc. primary producersd. heterotrophse. secondary consumersRenewable energy approaches include all of the following excepta. fracking.b. solar panels.c. wind farms.d. cellulose fermentation92% of the energy produced in the United States is from this source of energy. A. non-depletable B. non-renewable C. renewable