Pre-lab questions 1. what is the water potential of an open beaker containing pure water?

The correct answer would be zero.

Water potential measures the tendency of water to move from one area to another.

It is denoted by the symbol ψ.

It is determined by two main factors:

Solute potential (ψs):  It is determined by solute concentration.

Pressure potential (ψp): The pressure exerted on a solution. It can be negative or positive.

ψ = ψs + ψp

Thus, in an open container, the water potential of pure water would be zero as pure water does not contain any solute (that is, ψs = 0) and pressure potential is zero (ψp = 0) in an open container.

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explanation:

plate tectonics and volcanic euptions

over time, plate tectonic processes cause continents to move to different positions on the globe.

for example, britain was near to the equator 300 million years ago, and therefore was hotter than it is today. for further details look at our climate through time poster or online map.

the movement of the plates also causes volcanoes and mountains to form and these too can contribute to a change in climate.

mountain ranges formed by plate tectonics. large mountain chains can influence the circulation of air around the globe, and consequently influence the climate.   warm air might be deflected somewhere cooler by the mountains.

which are post-impressionist paintings? check all that apply?

explanation:

post-impressionism is a predominantly french art movement that developed roughly between 1886 and 1905, from the last impressionist exhibition to the birth of fauvism. post-impressionism emerged as a reaction against impressionists' concern for the naturalistic depiction of light and color.

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