If an air mass is sinking, it must be
A. cold and less dense
B. warm and more dense
C....
![subject](/tpl/images/cats/biologiya.png)
![ansver](/tpl/images/cats/User.png)
Answers: 2
Another question on Biology
![question](/tpl/images/cats/biologiya.png)
Biology, 21.06.2019 23:50
Which statement about the immune system is false? a. lymphocytes reduce inflammation, b. b cells remember specific pathogens. c. most white blood cells kill bacteria d. white blood cells are made in lymph nodes.
Answers: 1
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 06:20
Select the correct answer from each drop-down menu proteins are
Answers: 2
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 10:00
Which of the following human activities resulted in the growth of the north american deer population?
Answers: 1
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 11:30
Ihave no idea how to solve these. plus there's another question that is 2) a 10 kilogram meteorite is collected in space and brought back to earth. it is composed of 1.25 kg of uranium-238 and 8.75 kg of lead-206. how many u-238 half lives have passed? what is the approximate age of the meteorite?
Answers: 1
You know the right answer?
Questions
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 04.03.2021 23:00
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 04.03.2021 23:00
![question](/tpl/images/cats/mat.png)
Mathematics, 04.03.2021 23:00
![question](/tpl/images/cats/mat.png)
Mathematics, 04.03.2021 23:00
![question](/tpl/images/cats/mat.png)
Mathematics, 04.03.2021 23:00
![question](/tpl/images/cats/User.png)
SAT, 04.03.2021 23:00
![question](/tpl/images/cats/istoriya.png)
History, 04.03.2021 23:00
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/fr.png)
French, 04.03.2021 23:00
![question](/tpl/images/cats/mat.png)
Mathematics, 04.03.2021 23:00
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 04.03.2021 23:00