The correct answer is letter A. The belief that Senators need to be able to express themselves without constraints. The atmosphere in the Senate is so informal because is the belief that Senators need to be able to express themselves without constraints. Without constraints, there'll be more arguments to talk about.
Answer: It's an EXPERIMENT
Explanation: Experiment is done when we apply anything to a samples or conditions in other to study another sample or conditions.
Observation is done when, we study samples or conditions in it's natural way, without application of anything that may alter it's result.
Because the researcher has applied fertilizer to one side and did not apply to the other side, that means he has performed an experiment. Since he wasn't observing the two sample in it's natural way without any external application.
Is there a picture to go with this question?
Explanation:
secularism is a doctrine that opposes any form of religious and intra religious domination.
treating people of the different religious equally
Secularism helps promote religious tolerance which is required to maintain peace, cooperation and Unity among people