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Biology, 30.03.2021 23:40 sierraowens04
Biological term for the germ layer that gives rise to the nervous system
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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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The response is the basis for vaccination. primary secondary tertiary none of the above
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Biology, 22.06.2019 04:50
In this experiment, the was intentionally manipulated. it is the independent variable. the dependent variables that were measured were the
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Biology, 22.06.2019 06:20
Which of these statements is false? a. others may notice a problem with a relationship before the people involved. b. the first sign of a problem with a relationship is a feeling of anger. c. damaged relationships can be repaired. d. even good relationships can be damaged.
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Biological term for the germ layer that gives rise to the nervous system...
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