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 .
<span>Survei dan Dokumentasi</span>
Answer:
down, down, right, down, right, right, down.
Basalt is the rock that makes up a majority of the oceans floor!
Explanation:
It is because we are, this is the first time in human history, where we have technology and science is widely accepted, without being ridiculed by religious figures. We are truly out of the dark ages and the basic humanity of a few hundred years ago and we are now in the age of light, where people can be cured of many ailments and you don't even have to get up from your lazy buttocks to get food, you can just shout at a machine to do it.
Almost each and every activities of human beings are being done with the support of science and technology.We take support pf science and technology in educational field banks industrial sector as well as in home .Without science and technology ,nobody can imagine for luxurious life in this world.Due to these reasons,modern world is called age of science and technology.
hope it helps :)
