![subject](/tpl/images/cats/biologiya.png)
Biology, 03.12.2021 02:40 kseibles202
PLEASE HELP ME ANSWER THIS PLZ MARK BRAINLIST WHEN I CAN. Why is it important that you keep two variables constant (such as light level and color) while you're testing how a third variable(CO2 level) affects photosynthesis
![ansver](/tpl/images/cats/User.png)
Answers: 2
![](/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 19:40
What does it mean for a cell membrane to be selectively permable
Answers: 1
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 00:00
Hurry which of these is true about index fossils? a) are very scarcely found b) used as guides in relative dating c) found in the youngest layer of the rock d) used as reference points in absolute dating
Answers: 2
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 10:00
In which squares should the phrase "green pods" appear a) a and d b) b and e c)a,c, and d d)a,b,c,d and e
Answers: 1
![question](/tpl/images/cats/biologiya.png)
You know the right answer?
PLEASE HELP ME ANSWER THIS PLZ MARK BRAINLIST WHEN I CAN.
Why is it important that you keep two va...
Questions
![question](/tpl/images/cats/en.png)
English, 25.11.2021 14:00
![question](/tpl/images/cats/es.png)
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 25.11.2021 14:00
![question](/tpl/images/cats/biologiya.png)
Biology, 25.11.2021 14:00
![question](/tpl/images/cats/User.png)
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 25.11.2021 14:00
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 25.11.2021 14:00
![question](/tpl/images/cats/User.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 25.11.2021 14:00
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 25.11.2021 14:00
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/User.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/User.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/User.png)
SAT, 25.11.2021 14:00