Drag each label to the correct location on the chart. Darwin studied two different types of tortoises on the Galapagos Islands. Sort the characteristics based on which tortoise they describe.
curved shells
elongated necks
regular shells
elevated vegetation
short necks
ground-level vegetation

Which quantities are scalars? choose all that apply a. distance b. speed c. acceleration d. velocity

How is coal extracted from mountaintop removal mines? a. dynamite is used to create underground tunnels where miners go to extract the coal. b. dynamite is used to break apart rocks and then draglines are used to remove the broken rock and reach the coal. c. coal in mountaintops is extracted by digging strips in the landscape to reach the coal. d. placer deposits in mountain river bottoms are removed by

Whithin which type of system is neither the total mass nor the total energy conserved ? a. open b. connected c. isolated d. closed