![subject](/tpl/images/cats/biologiya.png)
Biology, 07.10.2019 17:40 isaiahmichel93081
Here's a hypothesis for the duckweed experiment: “if duckweed is grown at ph 5, then it will grow at the same rate as when grown at ph 7, or normal ph, because it can tolerate mildly acidic environments.” which elements should be controlled variables for this experiment? check all that apply. environmental ph timing of experiment duckweed population environmental light amount of nutrients environmental temperature
![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, 22.06.2019 02:40
Round seeds and yellow seed color are dominant to wrinkled seeds and green seed color. which punnett square represents the correct way to set up the cross rryy ´ rryy? 
Answers: 1
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 06:30
How have high taxes on tobacco products impacted the number of people who use them? a. the number of tobacco users has increased. b. the number of tobacco users has decreased. c. the number of tobacco users has not changed. d. the number of adolescent tobacco users decreased, while the number of adult users increased
Answers: 2
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 15:00
Which characteristic should describe all evidence collected by a scientist? true obvious objective subjective
Answers: 1
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 16:00
Which enzyme is responsible for “unzipping" the dna by breaking the hydrogen bonds between the nucleotides?
Answers: 1
You know the right answer?
Here's a hypothesis for the duckweed experiment: “if duckweed is grown at ph 5, then it will grow a...
Questions
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 24.07.2019 17:30
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 24.07.2019 17:30
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 24.07.2019 17:30
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 24.07.2019 17:30
![question](/tpl/images/cats/biologiya.png)
Biology, 24.07.2019 17:30
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
History, 24.07.2019 17:30
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/istoriya.png)
History, 24.07.2019 17:30
![question](/tpl/images/cats/mat.png)
Mathematics, 24.07.2019 17:30
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/fr.png)
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 24.07.2019 17:30