![subject](/tpl/images/cats/biologiya.png)
Biology, 28.01.2020 11:31 zackcarlson5637
Which occurs as part of gas exchange?
oxygen is exhaled
carbon dioxide is inhaled
carbon dioxide diffuses from the trachea to blood in capillaries
oxygen diffuses from alveolar sacs to blood in capillaries
![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 02:30
'which of these statements about the scientific method is not true? all experiments must follow the same number of steps in the procedure. experiments may be repeated several times. some unexpected results can be beneficial. experimental results may or may not support the hypothesis.
Answers: 3
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 12:40
In a cladogram, what occurs at a node? a derived trait appears. evolution is stopped. an ancestor dies. the cladogram ends. aa as s as ss what are the chances that their offspring will have sickle cell anemia? 0% 25% 50% 100%
Answers: 3
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 17:30
Adding more tributaries to a local river basin can have what effect?
Answers: 3
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 19:20
16 select the correct answer from each drop-down menu. sharks, whales, and dolphins share similar features such as body shape and the position of fins. hoy while whales and dolphins have lungs. these differences indicate that the organisms share a comme whales also possess a vestigial pelvic bone. the presence of the pelvis bone may indicate that whales reset next
Answers: 2
You know the right answer?
Which occurs as part of gas exchange?
oxygen is exhaled
carbon dioxide is inhaled
...
oxygen is exhaled
carbon dioxide is inhaled
...
Questions
![question](/tpl/images/cats/istoriya.png)
History, 25.06.2019 02:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
History, 25.06.2019 02:00
![question](/tpl/images/cats/mkx.png)
Arts, 25.06.2019 02:00
![question](/tpl/images/cats/mat.png)
Mathematics, 25.06.2019 02:00
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 25.06.2019 02:00
![question](/tpl/images/cats/mat.png)
Mathematics, 25.06.2019 02:00
![question](/tpl/images/cats/mat.png)
Mathematics, 25.06.2019 02:00
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/istoriya.png)
History, 25.06.2019 02:00
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/mkx.png)
Arts, 25.06.2019 02:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 25.06.2019 02:00
![question](/tpl/images/cats/fr.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 25.06.2019 02:00