be harmful".
![subject](/tpl/images/cats/biologiya.png)
Biology, 17.03.2020 20:40 mytime8774
2. Explain why the narrator states that “pesticides were not always thought to
be harmful".
3. How does the chemical solution DDT work?.
4. Explain the relationship between Polio, Typhus, WWII and DDT.
![ansver](/tpl/images/cats/User.png)
Answers: 1
Another question on Biology
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 10:30
Awolf pack hunts,kills, and feeds on a moose. in this interactions, the moose is a?
Answers: 1
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 13:00
Select the correct answer from each drop-down menu. which phase of mitotic division is the highlighted cell undergoing? the cell is undergoing , which is the stage before .
Answers: 2
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 13:00
Pulmonary arteries carry highly oxygenated blood. true or false?
Answers: 1
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 15:30
When does a spring tide occur? question 9 options: they occur when the sun, moon, and earth are aligned. in spite of their name, these tides occur twice a year in the spring and fall. they occur on the date of the vernal equinox each year, no matter what stage the moon is in. this is why they are called spring tides. they occur when the sun, moon, and earth are at 45-degree angles from each other. this happens once every spring. they occur when the sun, moon, and earth are aligned. in spite of their name, these tides occur all year long.
Answers: 2
You know the right answer?
2. Explain why the narrator states that “pesticides were not always thought to
be harmful".
be harmful".
Questions
![question](/tpl/images/cats/ap.png)
Advanced Placement (AP), 30.05.2020 14:58
![question](/tpl/images/cats/istoriya.png)
History, 30.05.2020 14:58
![question](/tpl/images/cats/en.png)
English, 30.05.2020 14:58
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 30.05.2020 14:58
![question](/tpl/images/cats/en.png)
English, 30.05.2020 14:58
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mkx.png)
Arts, 30.05.2020 14:58
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 30.05.2020 14:58
![question](/tpl/images/cats/en.png)
English, 30.05.2020 14:58
![question](/tpl/images/cats/himiya.png)
Chemistry, 30.05.2020 14:58
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 30.05.2020 14:58