In order to maintain optimal community health, the best plan for communities would be to
a.
decrease vaccinations and research new treatments and cures
b.
create laws that control public behavior, like hand washing and blowing your nose
c.
provide community support to elders who are sick and need healthcare treatment
d.
provide health services and regulate food and water supplies

The answer is:

D. provide health services and regulate food and water supplies

The explanation:

-The basic needs of humans should always be supplied, enough for the consumption of the members of the community.

-In this way, diseases and malnutrition will be prevented.

- Prevention has always been better than cure.

the speed of the cart after 3 seconds of low fan speed is ⇒ 54.0 cm/s.

the speed of the cart after 5 seconds of medium fan speed is ⇒ 120.0 cm/s.

the speed of the cart after 2 seconds of high fan speed is ⇒ 64.0 cm/s. 

just did the lab.