One square mile of forest is divided up into ten equally sized quadrats, 1/10th of a mile each. In quadrat #3, twenty-five pine trees are counted. What would be a reasonable estimate for the total number of pine trees in the larger plot of land (one square mile or forest)?

A 2500
B 25
C 250

In which direction is the pacific plate moving in relation to the north american plate?

(drag each tile to the correct identify which questions can be answered by what can be answered by science or which cannot. -is it right or wrong to use genetic engineering to produce new food products? -what are the most common social settings that tend to produce accomplished artists? -if a new gene is added to the genome of a tomato species, will that species be more resistant to insects? -should humans use biotechnology to bring extinct organisms from the fossil record back to life? -do the types of organisms found in the fossil record appear in consistent sequences in different parts of the world? -are michelangelo's paintings more impressive than rembrandt's?

What environmental cues and landmarks do the geese use to determine the timing and direction of their migration over the mountains? how do they find their way?