What does the time line suggest about scientific knowledge throughout the years? It suggests that scientific knowledge began when the first convex lens was developed, since complex lenses opened
B
It suggests that scientific knowledge changes over time, as shown by the new discoveries made about lenses leading
It suggests that scientific knowledge does not change, as scientists work independently of each other and do not build
D
It suggests that scientific knowledge is replaced and not modified, as exemplified by the single lens replacing multiple

Samir watches a 100-minute movie on his spaceship. maria's spaceshipe flies in the same direction as samir's spaceship but she observes his move to last 125 minutes and his spaceship to be 40 m long. how long does samir observe his own spaceship to be? according to an observer on earth, planet x is stationary. maria and samir depart earth on their spaceships at the same time, each flying at 0.5c. maria flies toward planet x and samir flies in the opposite direction. according to maria, her voyage to planet x takes 9 years. how many years does marias voyage take according to samir?

14. a body is projected with velocity vi from a.at the same time another body is projectedvertically upwards from point b withvelocity v2 lies vertically below the highestpoint. both the bodies collide thenv2÷v1is

Humidity is to blame for that muggy, steamy feeling you experience on some hot summer days. what gas in the atmosphere causes humidity? a) oxygen b) hydrogen c) nitrogen d) water vapor