![subject](/tpl/images/cats/biologiya.png)
Biology, 21.06.2019 15:20 Simplytaylorgrenade
Are substances released into the environment that in excess amounts cause damage
![ansver](/tpl/images/cats/User.png)
Answers: 1
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Biology
![question](/tpl/images/cats/biologiya.png)
Biology, 21.06.2019 19:10
Apopulation has 1000 individuals. over a period of 1 year, 500 newindividuals are born. which equation shows how to calculate the birthrate ofthis population? a. 500 - 1000 = 0.5b. 1000 x 0.5 = 500c. 1000 - 500 = 2d. 1000 + 500 = 1500
Answers: 1
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 02:30
Sally and sue were investigating the topic of friction in science. they used a small car and a ramp as seen in the picture to test what they were learning. they knew that they slipped easily on waxed floors but not on carpet, so they decided to change the material on the surface of the ramp to see what happened. they planned to use glass, carpet, aluminum foil, and sandpaper and run the car down the ramp over each surface. what would be the best research question to guide the girls' experiment? a) does the amount of surface area affect the friction on the moving car? b) will the car travel fastest on the glass surface? c) how does the angle of the ramp affect the speed of the car? d)do rougher surfaces tend to create more friction than smooth surfaces?
Answers: 1
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 04:30
With the word calcite wich completes the analogy mineral, erosion, marble, or aragonite
Answers: 2
You know the right answer?
Are substances released into the environment that in excess amounts cause damage...
Questions
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/istoriya.png)
History, 06.10.2019 13:30
![question](/tpl/images/cats/mat.png)
Mathematics, 06.10.2019 13:30
![question](/tpl/images/cats/health.png)
Health, 06.10.2019 13:30
![question](/tpl/images/cats/mat.png)
Mathematics, 06.10.2019 13:30
![question](/tpl/images/cats/istoriya.png)
History, 06.10.2019 13:30
![question](/tpl/images/cats/istoriya.png)
History, 06.10.2019 13:30
![question](/tpl/images/cats/mat.png)
Mathematics, 06.10.2019 13:30
![question](/tpl/images/cats/istoriya.png)
History, 06.10.2019 13:30
![question](/tpl/images/cats/en.png)
English, 06.10.2019 13:30
![question](/tpl/images/cats/mat.png)
Mathematics, 06.10.2019 13:30
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
English, 06.10.2019 13:30
![question](/tpl/images/cats/istoriya.png)
History, 06.10.2019 13:30
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/es.png)
Spanish, 06.10.2019 13:30
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 06.10.2019 13:30
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 06.10.2019 13:30