It should be the third answer choice. The nations of OPEC chose to cooperate primarily in order to manage the supply of a natural resource.
OPEC works to balance both the production and price of oil so that customers are able to receive a consistent supply of petroleum and investors in the industry are able to make profit from their investments.
Answer:
a) calculating the concentration at which 50% of the test organisms of a particular species die
Explanation:
Bioassays -
<u>Bioassays is an analytical method to assess the effect of marine pollutant on the organism by estimating the concentration at which 50% of the test organisms die after exposing the test organisms for a specified time.</u>
It can be done by quantitative or by qualitative experiment , or direct or indirect .
It is used to detect the biological hazards or give the quality assessment of the mixture .
It is also used for the monitoring the quality of water .
Answer:
EU and NATO Similarties:
EU and NATO Similarties:- they were both founded to resolve the internal and external situation without having to involve the eastern countries( like russia)
EU and NATO Similarties:- they were both founded to resolve the internal and external situation without having to involve the eastern countries( like russia)- They were both promoted the idea of intergreated europe like open borders
<em>Differences</em>
<em>Differences- EU is mainly european countries while nato includes other countries outside of asia</em>
<em>Differences- EU is mainly european countries while nato includes other countries outside of asia- EU is more of economic Corporation between countries</em>
