Pls i need help im taking a test
...
![ansver](/tpl/images/cats/User.png)
Answers: 3
Another question on Biology
![question](/tpl/images/cats/biologiya.png)
Biology, 21.06.2019 16:00
The health, management and conservation of biodiversity, is a challenge facing ecosystems worldwide. the major factors that affect the health and function of the great barrier reef are climate change and pollution. which question investigates the effects of a biotic factor on the reef ecosystem?
Answers: 2
![question](/tpl/images/cats/biologiya.png)
Biology, 21.06.2019 20:00
Researchers randomly divide participants into groups. each group takes a different amount of omega-3 fatty acid supplements daily for a month. one group receives a placebo. the researchers measure the impact on cholesterol levels in the blood. what is the purpose of random assignment in this experiment? a, to produce treatment groups with similar characteristics b, to ensure that all people with high cholesterol have an equal chance of being selected for the study c, to increase the accuracy of the research results and prevent skewness in the data
Answers: 1
![question](/tpl/images/cats/biologiya.png)
Biology, 21.06.2019 21:30
I’m doing some practice exam questions for biology, and i’m not sure how to do these 3 parts to the question.
Answers: 3
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 10:30
The greenhouse effect a. something that has occurred for millions of years b. an unnatural phenomenon caused by humans that maintains earths temperature range. c. the results of the differences in the angle of the suns rays d. an unnatural phenomenon that causes heat energy to be radiated back into the atmosphere
Answers: 1
You know the right answer?
Questions
![question](/tpl/images/cats/istoriya.png)
History, 22.09.2019 09:50
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
History, 22.09.2019 09:50
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 22.09.2019 09:50
![question](/tpl/images/cats/en.png)
English, 22.09.2019 09:50
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 22.09.2019 09:50
![question](/tpl/images/cats/istoriya.png)
History, 22.09.2019 09:50
![question](/tpl/images/cats/mat.png)
Mathematics, 22.09.2019 09:50
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.09.2019 09:50
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 22.09.2019 09:50
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/health.png)
Health, 22.09.2019 09:50
![question](/tpl/images/cats/es.png)
Spanish, 22.09.2019 09:50
![question](/tpl/images/cats/fizika.png)
Physics, 22.09.2019 09:50
![question](/tpl/images/cats/mat.png)