19) it is possible to use the human hand (held at arms length) to estimate angles on many degrees are measured between the knuckles of your index and little finge a) 1 degree; b) 3 degrees; c) 6 degrees; d) 10 degrees; e) 30 degrees.

How would i answer this for an exam?

The organ that has two atria and one ventricle is the

17. the soil erosion pictured here is the result of what? a. harvesting renewable resources at a rate greater than the sustainable yield b. a mudslide caused by excessive rains c. harvesting renewable resources at a rate lower than the sustainable yield d. the transition between geologic eras and eons