- Grade 11 and 12 Mathematics (Moderator: geoffrey)
This topic contains a solution. Click here to go to the answer
|
Author Question: Decide if the study is an observational study or an experiment. One hundred adults who had either ... (Read 61 times) |
- Grade 11 and 12 Mathematics (Moderator: geoffrey)
Did you know?
If all the neurons in the human body were lined up, they would stretch more than 600 miles.
Did you know?
The longest a person has survived after a heart transplant is 24 years.
Did you know?
The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.
Did you know?
Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.
Did you know?
Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.