Answer:
Many decisions are taken at the margin
Explanation:
Many decision are taken at the margin.
He makes small changes at the margin in the number of hours spent training on each activity.
Paola and his wife both realise that increasing time spend in the pool will decrease his total triathlon time.
His time is fixed (20hrs) and anytime he wants to spend extra on one activity, i means that he cannot spend time on another (this is known as opportunity cost).
They are both on the same page in terms of trying to improve Paolo's total time (exploiting opportunities to makes themselves better off).
1hour switch in Paolo's point of view isa major change, whereas his wife recommends a wholesale change.
Paolo realises that as he spends more time in the pool improving his swim time, his run and cycle times will take a hit. As he swims more, his improvement is likely to slow down, while spending less time on cycling and running will cost him more in terms of time.
Hence Paolo is looking at the margins.
His wife on the other hand, is not, she is ignoring the interaction, may be forgetting the ncreasing deterioration in terms of time of the other 2 legs
Answer:
A) Keep Russia in World War I
Explanation:
Answer:
new substance is created..Hope that helps
Answer:
B. The focus is on ideas instead of physical products
Explanation:
Post-industrial of economy refers to a period of economic growth that is led by Services , scientific research, and data information industry rather than manufacturing.
Since services industry do not necessarily produce physical products, ideas and creativity often become the more important driving factors to provide the costumers with a more unique possibilities.
Why other options are wrong:
- Raw materials are made into goods. This happened in an economy dominated by manufacturing, which happened before post-industrial economy.
- People do not use gold coins for purchased - This happen ever since paper money was invented. Industrialization has no connection to it.
- Money is exchanged for goods and services, this happen in all period of economy.
It is true that Anthropologists believe that one selective pressure for the evolution of bipedalism was that walking on two feet is more energy efficient than walking on four feet.
<h3>
The advantages</h3>
Bipedalism authorized hominids to free their arms totally, enabling them to make and use mechanisms efficiently, stretch for fruit in trees and utilize their hands for social display and transmission.
<h3>
Which of the following is a disadvantage to the development of bipedalism?</h3>
Bipedalism has placed a burden on humans' circulatory systems, which are needed to pump blood from the heart to the head and the feet. One consequence of this overworking of the circulatory system is swelling, or varicose, veins.
To learn more about bipedalism visit the link
brainly.com/question/23894088
#SPJ4
