<span>Science
Define</span>A body of knowledge and the process of gaining new knowledge<span>Pseudoscience
Define</span><span>Sometimes a practice or a belief claims to be science, but does not follow specific criteria. Criteria that define true science include scientific experimentation, replication of results,and peer review. Beliefs and claims that do not meet these criteria are called pseudoscience</span>
The leader Fulgencio Batista maintained control of Cuba from 1934 to 1959.
Answer: B. Fulgencio Batista
Speed of wave = frequency x wavelength
= 250 x 6 = 1500 m/s.
Answer:
4th answer
Explanation:
The gradient of a distance-time graph gives the speed.
gradient = distance / time = speed
Here, the gradient is a constant till 30s. So it has travelled at a constant speed. It means it had not accelarated till 30s. and has stopped moving at 30s.