<span>they are known as phytoplankton.
If this was the appropriate answer make sure to mark as the brainliest!
-procklown</span>
Hola yo no hablo English pero te puedo ayudar si quieres si no esta bien yo entiendo
<h3>Answer:</h3>
II and IV
<h3>Explanation:</h3>
Why the II can't explain that:
There aren't educated laborers, cause the multinational companies uses the first labourers they found, so the average of them is not always qualified, and the most of them is poor and have not get an instruction.
Why the III can't explain that: In some parts of Africa and Asia, where labourers mine,work or do other things for multinational companies, the industries are not developed at all, and in case the companies their self had to develop ones in those territories
in a process sometimes called sea-floor spreading, molten rock forces its way upwards through cracks along the valley.the molten rock cools, hardening into new oceanic crust.
