Biology, 23.08.2019 15:20 thesusan7494
Which of the following solid fuels has the highest heating value? a. bituminous coal b. lignite c. wood d. coke
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Biology, 22.06.2019 01:00
Dermal tissue in plants stores 1.extra food 2.transports water and nutrients 3.transports waste materials 4.is similar to epithelial cells in animals
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Biology, 22.06.2019 04:30
African penguins, which inhabit the coasts of southern africa, were classified as an endangered species in 2010. two significant threats to their survival are ecosystem damage from oil spills and overfishing by humans. overfishing depletes the food supply of african penguins. the best method to reduce the threat of overfishing would be to . the risk of oil spills could be reduced by increasing the use of , which should oil consumption. if an oil spill does occur, could be used to remove the oil so the ecosystem may more quickly recover.
Answers: 2
Biology, 22.06.2019 05:30
The carbon cycle is best defined as a process in which a. carbon changes from inorganic forms to organic forms and back b. carbon is changed into other elements such as oxygen or nitrogen c. carbon is continually created from the sun’s energy by plants d. carbon is consumed and regenerated from other elements such as oxygen and nitrogen
Answers: 1
Which of the following solid fuels has the highest heating value? a. bituminous coal b. lignite c....
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Mathematics, 29.06.2019 16:20
Mathematics, 29.06.2019 16:20
Mathematics, 29.06.2019 16:30