What stresses does a shuttle go through during lift-off?

The first phase is the ascent phase which begins at lift-off and ends as the space shuttle reaches orbit. ... The stress on the vehicle and the crew increases as the space shuttle accelerates. To ensure their safety, the acceleration of the space shuttle must be kept below 3 g (3 times the acceleration due to gravity).

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photosynthesis makes the glucose that is used in cellular respiration to make atp. the glucose is then turned back into carbon dioxide, which is used in photosynthesis. while water is broken down to form oxygen during photosynthesis, in cellular respiration oxygen is combined with hydrogen to form water.