What are the characteristics of an index fossil?

A. limited to a short span of geologic time but widely distributed

B. Geographically limited

C. found only in shale

D. preserved as a mold

E. Large enough to see without a hand lens

Between what two numbers would 9 be located on a number line?

Halfway though a cross-country meet, a runner's speed is 4m/s. In the last stretch, she increases her speed to 7m/s. What is her change in speed?

1. Describe the motion of an object with positive velocity and negative acceleration. 2. Describe the motion of an object with negative velocity and positive acceleration. 3.

Okay i was trying to see if yall know this okay a wave is a repeating disturbance of movement that transfers ... blank

3. Suppose that a block is pulled 16 meters across a floor. What amount of work is done if the force used to drag the block is 22 N? A. 3303 B. 200 C. 3523 D. 2203

A tube, open at only one end, is cut into two shorter (nonequal) lengths. The piece that is open at both ends has a fundamental frequency of 422 Hz, while the piece open only at one end has a fundamental frequency of 666 Hz.

Table tennis the path of a table-tennis ball after being hit and hitting the surface of the table can be modeled by the function h=-4.9t (t-0.42) where h is the height in meters above the table and t is the time in seconds.

A coat rack weighs 65.0 lbs when it is filled with winter coats and 40.0 lbs when it is empty. The base of the coat rack has an area of 452.4 in2.

An initially stationary object experiences an acceleration of 6 m/s2 for a time of 15 s. How far will it travel during that time?

How was helium first discovered? mining of the radioactive element uranium using spectral analysis of the Suns' emission spectra o hubble obtaining samples from explosions off the surface of the sun deep sea mining off the coast of Texas