Provide Structure To The Rhizomes. Carry Oxygen To Plant Parts Provide Buoyancy To The Blade.
ANSWER
stomach is not blood function
Answer: c. Prospective cohort study
Explanation:
Prospective cohort study is a type of observational study which is used to study large number of subjects which are similar but vary with respect to certain factors required to be considered under the study. This is done to determine how these factors affect the rates of certain outcomes. The subjects are studied under different frames.
Here, in the given study the subjects are the same which is a group of middle aged men. These are at a risk of premature ventricular contractions thus are at greater risk of myocardial infraction as compared to men those heartbeats are regular. Here there are different factors to be observed upon and the subjects are also studied in different time frames thus this condition is an example of prospective cohort study.
<span> A. Insects (living) carry seeds (living)to new places, which allow new plants to grow.
B. People(living) plant trees(living) in a city park.
C. A drought dries up a river(not living), so deer(living) have less water to drink.
D. A fungus(living) causes a grove of trees(living) to die.
The answer is C because river is the only not living(abiotic) factor in these case</span>