![subject](/tpl/images/cats/biologiya.png)
Biology, 20.10.2019 06:50 alimarie9714
He life expectancy in the united states increased more than 30% from 1930 to 2015. which factor could have contributed to this increase?
a.
better medical facilities and treatments
b.
decreased farmland
c.
increased food insecurity
d.
refusal of vaccines
![ansver](/tpl/images/cats/User.png)
Answers: 1
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Other questions on the subject: Biology
![image](/tpl/images/cats/biologiya.png)
Biology, 21.06.2019 14:20, serenityharmon1
People who exercise for an hour may have lower cholesterol levels. is that a statement? a law? or a hypothesis?
Answers: 1
![image](/tpl/images/cats/biologiya.png)
![image](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 08:00, fastpitchhailey1354
Which is the function of the hypothalamus in thermoregulation? answers: -sensor -effector -stimulus -intergrating center it's either a or c i believe
Answers: 1
![image](/tpl/images/cats/biologiya.png)
You know the right answer?
He life expectancy in the united states increased more than 30% from 1930 to 2015. which factor coul...
Questions in other subjects:
![Konu](/tpl/images/cats/himiya.png)
![Konu](/tpl/images/cats/istoriya.png)
History, 19.09.2019 05:40
![Konu](/tpl/images/cats/himiya.png)
![Konu](/tpl/images/cats/biologiya.png)
Biology, 19.09.2019 05:40
![Konu](/tpl/images/cats/en.png)
![Konu](/tpl/images/cats/istoriya.png)
![Konu](/tpl/images/cats/mat.png)
Mathematics, 19.09.2019 05:40
![Konu](/tpl/images/cats/biologiya.png)
![Konu](/tpl/images/cats/istoriya.png)