![subject](/tpl/images/cats/biologiya.png)
![ansver](/tpl/images/cats/User.png)
Answers: 1
Another question on Biology
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 08:00
Vaccines are weakened forms of disease causing microorganisms, which are given to patients to prevent disease. after the vaccine is administered, the immune system responds by creating a(n) to recognize the a.) antibody, antibiotic b.) antigen, antibody c.)antibiotic, antibody d.)antibody, antigen
Answers: 1
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 15:30
The big bang theory suggest that the universe is about - 300 million years old - 4.6 billion years old - 30 billion years old - 13 billion years old
Answers: 2
You know the right answer?
What organisms are responsible for cycling nitrogen from the atmosphere into soil and living things?...
Questions
![question](/tpl/images/cats/mir.png)
World Languages, 07.11.2020 08:20
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 07.11.2020 08:20
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 07.11.2020 08:20
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 07.11.2020 08:20
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 07.11.2020 08:20
![question](/tpl/images/cats/health.png)
Health, 07.11.2020 08:20
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/en.png)
English, 07.11.2020 08:20
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/en.png)
English, 07.11.2020 08:20
![question](/tpl/images/cats/biologiya.png)
Biology, 07.11.2020 08:20
![question](/tpl/images/cats/mir.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 07.11.2020 08:20