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 .
The answer to this is true.
Its true because in Europe it was consider as the Middle East because it is in the middle if you look at the map.
Hope this helped :)
Have a great day
Its that first one ... he diversified the turkish economy by introducing manfacturing .. this was a question on a quiz so i know its right.
