I NEED HELP ON BOTH ANSWER AS QUICKLY AS POSSIBLE!!m
H
H
...
Answers: 1
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 06:40
Migration is a. the movement of organisms from a native location to a foreign location b. the movement of organisms from a foreign location to a native location the movement of organisms from their water supply to their food supply d. the seasonal movement of organisms between locations c. select the best answer from above
Answers: 1
Mathematics, 24.05.2021 06:00
English, 24.05.2021 06:00
Chemistry, 24.05.2021 06:00
Mathematics, 24.05.2021 06:00
Arts, 24.05.2021 06:10
Mathematics, 24.05.2021 06:10