What is the central element for all living things?
carbon
oxygen
hydrogen
...
![subject](/tpl/images/cats/biologiya.png)
Biology, 19.08.2019 17:30 kelsey4698
What is the central element for all living things?
carbon
oxygen
hydrogen
nitrogen
![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)
![question](/tpl/images/cats/biologiya.png)
Biology, 21.06.2019 23:30
In iceland, the mid atlantic ridge runs through the center of the contry. what can you conclude about the apperence of iceland many thousands of years from now?
Answers: 1
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 02:30
Below, the levels of organization in a multicellular organism are shown from least to most complex. which level of organization can be described as several different types of tissues working together to perform a common task?
Answers: 1
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 06:20
(select all the correct choose each statement that is scientific. - the opinions of randomly selected participants in a survey prove the idea that global temperatures are not increasing on earth. - the universe's average temperature and rate of expansion support the idea that it began as one super-dense and hot mass 13.8 billion years ago. - ocean tides are caused by the uneven gravitational pulls of the moon and sun on different parts of earth. - human life is more valuable than other forms of life on earth because humans are more intelligent than other organisms.
Answers: 3
You know the right answer?
Questions
![question](/tpl/images/cats/mat.png)
Mathematics, 05.10.2019 15:50
![question](/tpl/images/cats/health.png)
Health, 05.10.2019 15:50
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 05.10.2019 15:50
![question](/tpl/images/cats/en.png)
English, 05.10.2019 15:50
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 05.10.2019 15:50
![question](/tpl/images/cats/biologiya.png)
Biology, 05.10.2019 15:50
![question](/tpl/images/cats/fizika.png)
Physics, 05.10.2019 15:50
![question](/tpl/images/cats/mat.png)
Mathematics, 05.10.2019 15:50
![question](/tpl/images/cats/es.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 05.10.2019 15:50
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
History, 05.10.2019 15:50
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/health.png)
Health, 05.10.2019 15:50
![question](/tpl/images/cats/mat.png)
Mathematics, 05.10.2019 15:50