Chemistry, 18.12.2019 08:31, rosepederson80
About 3% of the water on earth is freshwater. only about 40% of that freshwater is available for human use. why is so much freshwater unavailable for human use? a) it is frozen. b) it is polluted. c) it is salt water. d) it is in aquifers. 2) the deepest place in the seafloor is called the a) abyssal plain. b) marianas trench. c) aleutian trench. d) hydrothermal vent. 3) tides are caused by a) gravity. b) heat. c) waves. d) winds.
Answers: 2
Chemistry, 22.06.2019 05:00, hjamya17
In 1901, thomas edison invented the nickel-iron battery. the following reaction takes place in the battery. fe(s) + 2 nio(oh)(s) + 2 h2o(l) fe(oh)2(s) + 2 ni(oh)2(aq) how many mole of fe(oh)2, is produced when 5.35 mol fe and 7.65 mol nio(oh) react?
Answers: 1
Chemistry, 22.06.2019 13:00, yaneiryx5476
Is 9 correct? and can someone me with 10? itβs due tomorrow, you
Answers: 1
Chemistry, 22.06.2019 15:50, Edwardwall
Elements in group 2 are all called alkaline earth metals. what is most similar about the alkaline earth metals?
Answers: 1
About 3% of the water on earth is freshwater. only about 40% of that freshwater is available for hum...
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