The fossil pictured above came from the st. clair site in pennsylvania. the fossils are formed in black slate of the pennsylvanian period, 300 million years ago. the fossils found at this site are comprised of ferns and trees. this fossil record for this time period in pennsylvania indicates that the environment was a
a) desert
b) deep ocean
c) shallow sea
d) thriving forest
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In which of these cases are the two wave points considered to be in phase with each other?
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24. a sports ball is inflated to an internal pressure of 1.85 atm at room temperature (25 °c). if the ball is then played with outside where the temperature is 7.5 °c, what will be the new pressure of the ball? assume the ball does not change in volume nor does any air leak from the ball a) 0.555 atm b) 1.74 atm c) 1.85 atm d) 1.97 atm
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A4.86 g piece of metal was placed in a graduated cylinder containing 15.5 ml of water. the water level rose to 17.3 ml. what is the density of the metal. i need the steps of how to solve it to so i can use a formula to work out other problems.
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In a ball-and-stick molecular model, what do the sticks represent?
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The fossil pictured above came from the st. clair site in pennsylvania. the fossils are formed in bl...
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