Please help im really stuck pleasE
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Answers: 2
Biology, 21.06.2019 16:00
Elements and compounds are pure substances that cannot be broken down physically into a simpler substance. a physical change doesn’t break the bonds between atoms of a substance or form new ones. compounds can be broken down by a chemical change. a chemical change breaks chemical bonds and/or forms new ones between atoms of a substance. what simple substance would a compound break into? the basic elements that make it up! for example, if you passed a very strong electric current through water you’d break the chemical bonds in water and be left with oxygen and hydrogen. which of the following is an example of a chemical change? a separating water into different glasses b breaking frozen ice cubes with a hammer c running an electric current through water d boiling water to evaporate it on a stove
Answers: 2
Biology, 22.06.2019 05:00
Ialready know the answers to these questions and they are on the attachment. but i just need to know why that answer is the correct one. plz asap! this is for a report that i need to email by 10!
Answers: 3
Biology, 22.06.2019 11:00
Which of the following are not included as modern mammals that evolved during the eocene epoch? primates artiodactyls perissodactyls none of the above
Answers: 1
Biology, 22.06.2019 14:00
Which line in the graph above best illustrates an effect of the carbon dioxide level in the blood on breathing rate before, during and after a period of exercise? 1.b,2.c,3.a,4.d
Answers: 1
Mathematics, 29.06.2019 12:00
Mathematics, 29.06.2019 12:00
Social Studies, 29.06.2019 12:00
History, 29.06.2019 12:00
English, 29.06.2019 12:00
Mathematics, 29.06.2019 12:00
Physics, 29.06.2019 12:00
Mathematics, 29.06.2019 12:00