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Estar is used for States of BeingEmotional, physical & mental states of (our bodies') being:Feelings/moods/emotions, physical conditions or appearances, civil state (married, single, divorced...
First I think it is useful to look at the definition of a geostationary satellite to find out why it appears to stay in the same place above the earths surface. It is an object that is above the equator, ...
At the optimum temperature for a given enzyme (specific to each enzyme dependent on the composition of the protein), catalytic activity is at a maximum and hence the reaction proceeds at maximum rate. Bot...
Descartes formulated the indivisibility argument in order to support his theory of substance dualism. Substance dualism is the theory of mind which states that mind and body are two ontologically distinct...
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