Help ASAP , easy 15 points and a for the first one to reply , just answer the 2 questions
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Answers: 3
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
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Biology, 21.06.2019 20:30
Prompt compare the three types of volcanic mountains in terms of shape, type of eruption, and the minerals that make up the volcano
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Biology, 22.06.2019 05:20
When a human or animal consumes food, the carbon in that food is most likely to be converted into which of the following elements? a. carbon remains carbon b. nitrogen c. oxygen d. hydrogen
Answers: 2
Biology, 22.06.2019 10:30
10. in which phase will crossing-over occur? a. mitosis b. metaphase ii c. prophase i d. meiosis ii
Answers: 1
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