<span>We
previously have to devote energy to make the elevators run. But now, because of
the extensive research of the engineers and different professions, they were
able to come up with energy an efficient elevator which requires lesser energy to
be consumed.</span>
Answer:
All choices have opportunity costs
Explanation:
In the world of business, opportunity costs consist of the benefits that a person, investor, or company has to give up when picking an alternative among others. People tend to consult financial reports to make the best choice if there is a broad range of alternatives available, and this same concept applies to Alex and the way he wants to manage his time to train every sport of the triathlon.
If you didn't use stain to view micro organisms, it would be impossible to see them. Stain such as iodine makes it visible.
Charles Calvin and Mary I believe because they wanted to stop meg..... I think I could be wrong but that's what I think
