Answer:
((2 (cm squared)) + (4 (cm squared))) / 2 =
0.0003 m2
Explanation:
The writing materials,the envelopes and the stamps are all made of paper and this led to a great waste as the papers have to be disposed after use. This is not the case with electronic mails. Electronic mails do not need paper at all and it has drastically reduce the amount of papers that is used in writing letters.
I hope this helps :)
Biologists study cells due to the cell relation to that of animal cell
<h3>What are yeasts?</h3>
Yeast are eukaryotic organisms which are part of the fungus kingdom.
They are important to biologist because they tend too carry out all the functions of the eukaryotic cells and they are known to be closely related to animals
Learn more on yeasts here: brainly.com/question/25088514
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