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 .
It seems that you have missed the necessary options for us to answer this question so I had to look for it. Anyway, here is the answer. The country that would most likely bring in per capita <span>compared to other countries is BOTSWANA. Hope this helps.</span>
Hey there! Hello!
So, I don't want to write this for you (in fact, I'm pretty sure I'm not allowed to) since I can't exactly identify your personal experiences with American culture. But, I can give you some pointers for this narrative to base you writing on.
It helps to know exactly what the staples of American culture are. Basically, think of all of the things that makes America, America. What does the American experience mean to you? Is it the freedom to practice your religion, or have the ability to express yourself in the (legal) ways you choose? Is it the ability to enter and end relationships and marry whoever you want in the eyes of the law? Is it our diverse and multilingual nature? Is it the food that people first think of when they hear "Do you want American food for dinner?" Is it the artistic aspect of living here, where art museums, ability to major in art and writing, and general exposure to art and writing is common? Is it the prominence of music in our modern society? Is it the sports that bind the people of the nation together? Is it the (only sort-of limited) ability for LGBT people to live fearlessly in the eyes of the law and nation as a whole, with communities and help they can look to in their times of need?
What defines the experience for you? What's important to you as an American? That's what they're trying to get at with this assignment. Feel free to explore topics of American culture that go beyond the ones I have listed here, since there must be many more.
Hope this helped you out! Feel free to ask me any additional questions if you have any. :-)
It's an elastic wave in the earth produced by an earthquake or other means. hope it helps!
Answer:
D. Precipitation
Explanation:
Human environment interactions are interactions between humans and the environment.
Let’s examine each answer choice.
A. Dams are barriers that are built to stop water. Humans build them, so it is a human environment interaction.
B. Farms are plots of land humans use to raise crops and animals. Therefore, they are human environment interactions.
C. Irrigation is a way to water crops. Humans build them. They are human environment interactions.
D. Precipitation is rain, snow, hail and more. Humans can’t control it, so it is not a human environment interaction.
Therefore, the best answer is D. Precipitation.
