Chemistry, 25.07.2019 06:50 ExperimentsDIYS
Acommunity wants to stop pollutants from its farm fields from reaching the river. what should it do? a. use beneficial animals in the farm fields. b. use beneficial insects in the farm fields. c. plant grass in the farm fields. d. plant trees in the farm fields. e. use buffer strips between the farm fields and the river.
Answers: 2
Chemistry, 21.06.2019 14:20, Mordred9571
Which is true of chemicals? a. things containing chemicals always cost a lot of money. b. chemicals are never dangerous. c. chemicals are in many substances in a home. d. chemicals are rarely found on earth.
Answers: 1
Chemistry, 21.06.2019 18:20, ineedhelp773
Which statement accurately describes the relationship between air pressure, air density, or altitude? as altitude increases, pressure increases. as altitude increases, air density increases. air pressure and density are lowest at sea level. denser air exerts more pressure than less dense air.
Answers: 2
Chemistry, 22.06.2019 06:00, Chente379
An atom of lithium (li) and an atom of chlorine (cl) engage in a chemical reaction. which correctly describes the structure of the resulting chemical compound? hint: consider the class of each element. the chemical compound will have a network structure. the chemical compound will have triple bonds. the chemical compound will have a ball-and-stick structure. the chemical compound will have double bonds.
Answers: 2
Chemistry, 22.06.2019 13:00, aleilyg2005
If two objects at different te, peraure are in contact with each other what happens to their temperature
Answers: 1
Acommunity wants to stop pollutants from its farm fields from reaching the river. what should it do?...
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