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A number of river characteristics change as you travel downstream. Firstly, sediment size decreases due to erosion, which causes sediment to get finer and smoother. This happens due to hydraulic action, a...
In our everyday lives we experience a lot of HUGE amounts of sensory information that we have to process so we can understand what is going on around us. It's a very substantial task!! Th...
Honey has a lower water potential than the water inside bacterial cells due to its high ionic content.Water moves by osmosis from areas of higher water potential to areas of lower water pote...
The pluperfect tense is used to describe an action that happened further back in the past - something you "had done". Here's an example: tu étais partie quand je suis arrivée (you had left when ...
Mucous in the trachea traps pathogens Microorganisms in food are killed by stomach acidThe skin forms a physical barrier against pathogens
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