How far back in history would scientists need to use models to describe Earth's systems? O 1000 years
O 5000 years
0 2500 years
200 years

Distinguish between a transverse wave and a longitudinal wave.

When an object is heated it contracts. a. true b. false

2. -/1 pointsserpse10 2.7.p.017.mi. an object moving with uniform acceleration has a velocity of 14.0 cm/s in the positive x direction when its x coordinate is 2.97 cm. if its x coordinate 2.85 s later is -5.00 cm, what is its acceleration? cm/s2 need ? read it master it