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 .
East Pakistan changed its name to Bangladesh, and it still has this name today, as it's an independent country. Desh means land, and Bangla is the language of people living there.
D make ah model or a one of those
Earthquakes and tsunamis are caused by pressure building up in the Earth's crust along the intersection of tectonic plates, while tornadoes are created by updrafts and downdrafts interacting with wind.
Answer:
Indian Ocean
Explanation:
Arctic Ocean= Area: 5.427 million mi²
Red Sea= Area: 169,113 mi²
Indian Ocean= Area: 27.24 million mi²
Baltic Sea= Area: 145,561 mi²
