Answer:
I would say D.) at least or A.)
Explanation:
keep on studying for it, look online or at your library in school, take notes in class if you want to. hope this helps,:)
The subject should be in math.
your answer is 12 and 3
C is the answer.
;;;;;;;;;;;;;;;
6/6 is considered as 1 [ full fraction / whole number]
so that leaves us with 1/6
So, it's 1 1/6
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 .