Well to separate talc from water you can use the method of Filtration
and if you don't know what Filtration is go to a dictionary for chemistry/Science
or if you you have one then you could use it .
[hope this helps]
Answer:
A: plants give off water vapor as a waste product as they process energy
Explanation:
Evapotranspiration in plants is defined as the process whereby water is evaporated from its leaves through transpiration during the process of photosynthesis. Different factors like wind, humidity, temperature and availability of water could make it vary.
Comparing all the options, to this definition, the correct answer is Option A.
The atomic theory changed because as time passed by our technolgy has been improving our ability to find answers to these theories.