Ask question

Ask question

All categories

3 years ago

9

Research is conducted to determine if there is a relation between lung capacity and proximity to coal mines. Does the descriptio

n correspond to an observational study or an experiment?

1 answer:

Andru [333]3 years ago

5 0

Answer:

observational study

You might be interested in

Originally the first ten amendments to the U.S. Constitution, the bill of rights, was a guarantee to this level of government on

ArbitrLikvidat [17]

The bill of rights was in the constitution, which was for the whole country. so i believe the answer would be d. national

8 0

3 years ago

Which man do you feel made the stronger argument

yarga [219]

Answer:

Do you have any choices?

Explanation:

6 0

3 years ago

Who were the first Europeans to visit North America?

ohaa [14]

Answer:

Ponce de Leon were the first to visit north america

4 0

2 years ago

What qualities did it take to be successful in the American colonies

Semenov [28]

Lots of food, crops, animal, good size population

7 0

2 years ago

Scrumbled letter?

alexandr1967 [171]

Indonesia is the first one i don't know the others sorry

6 0

3 years ago