<span>A. Biosphere
Hope this helps.</span>
You didn't post the choices, but I have seen this question before. If your choices are:
<span>
A. Scientific Research
B. Imports
C. The Internet
D. Immigration
</span>
The answer will be C. The Internet.
Always make sure to post the possible answers to your questions if they are multiple choice. If you do not, we can not help you as well.
Answer:
Other common constraints on development are high economic poverty, hunger, high mortality rates, unsafe water supplies, poor education systems, corrupt governments, war, and poor sanitation.
Explanation:
