4. A volume of 20 cubic meters of air has 500 gram of water in it. Calculate the absolute humidity.

Which of the following is an eon in the time scale? phanerozoic proterozoic archean all of the above

Apower company wants to build a power plant on the severn river in france. read the following details about the plant and then answer the question that follows: the plant will -provide 10% of the country's energy needs - has a tide amplitude of 11 meters - will be built across a narrow inlet (15 kilometers) -could reduce coal emissions in the area by 3 percent by replacing fossil fuel power - will alter the feeding grounds of local birds. it is unknown how these birds would adapt. fish in the inlet are able to pass through the turbines. occasionally, however, they can get trapped and die do you think this tidal power plant should be built? why or why not?

Osmosis requires? a- all of the above b- a selectively permeable membrane c- none, it does not involve water d- water e- a concentration gradient between solutes and water