A method of procedure that has characterized natural science since the 17th century, consisting in systematic observation, measurement, and experiment, and the formulation, testing, and modification of hypotheses.
Answer:
D
Explanation:
We have a democratic republic cause we vote on our president.
Mood swings and cravings but mostly mood swings
Answer:
to those who cannot see we use voice or sound (verbal language) since they can hear but to those who cannot hear or speak we use sign language ( gestures)
Explanation:
i hope this will help
