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:
Think of it as two triangles. A square consists of a 45 45 90 triangle. So 1 would equal x root 2. Then you solve that equation and end up with (root 2)/2
The earth tilts for different times of the year. During the summer Alaska is a lot closer to the sun than florida.
Answer:
In a pineapple under the sea, in a place called bikini bottom, near a small uncharted isle, where gilligan and his crew crashed on a 3 hour tour, surrounded by many fish, a starfish, and a squid.
Explanation:
Duh