Biology, 09.03.2021 23:00 ROBIOX5934
The Skin is another example for a non-specific defense against disease. it acts as a barrier to microorganism entry. Describe how the skin protects itself after its surface is punctured.
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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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Biology, 22.06.2019 16:30
How to farmers could ensure that they only grow white flowers
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The Skin is another example for a non-specific defense against disease. it acts as a barrier to micr...
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