Which of the following is a characteristic of reliable scientific study? (5 points) select one: a. it is reported in scientific journals and websites. b. it is based on the work of a famous scientist. c. it is a part of a marketing campaign. d. it is cited by at least one researcher.

a. It is reported in scientific journals and websites

Explanation:

Generally, a reliable scientific study should  receive wide recommendation from respectable scientist in that domain.

From the options above

The fact your work is base on a famous scientist does not guarantee that your study is reliable .Your work needs to be reviewed by various scientist before it becomes reliable.

A part of a marketing campaign does not project in any way a reliable scientific study

The fact your work is sited by at least one researcher is not a guarantee your work might be a reliable scientific study. The researcher might be a novice too.

The fact your work is reported in scientific journals and websites proves your  work is reliable because it has been scrutinize by numerous expert before it was published. This journals and websites have experts in that field that must have verified and seen the lapses before they publish the works.  

the leaf is an organ of a typical plant, and the main functions are to complete photosynthesis and allow the plant to exchange gas, just like how we have the respiratory system. leaves have the stomata, which collects maintains co2 and o2 levels. this is necessary for cell metabolism. the leaf also collects sunlight using chloroplasts. succinctly, leaves own a pivotal role in sustaining plant life.

the answer is 1 i believe