Science must be used to figure out the correct weight, length, and what material it is made out of to be the most successful at its job. Technology must be used to make sure that the calculations are correct and to use a 3d printer or something like that to make it, that or robots/tools.
A possible answer could be the quality of air being inhaled
I’m pretty sure cardiovascular endurance
Answer:
when you are pregnant, it is important for you to increase the amounts of foods you eat with these nutrients. Most women can meet their increased needs with a healthy diet that includes plenty of fruits, vegetables, whole grains, and proteins.