Which statement is true about parks and nature preserves? A)
Parks are areas set aside for use by people.
B)
Nature preserve's primary purpose is to conserve a resource.
C)
Parks can be used for scientific research.
D)
All of the above

Poland had achieved self government and can enjoy its since the collapse of the soviet union a: autonomy b: ingenuity c: feminismd: genocide

According to newton's 3rd law of motion, an action creates a. an accelerated reaction b. an equal action c. an equal and opposite reaction d. a force of equal action

Select the correct answer. what was edwin hubble's contribution to the field of astronomy? a. he discovered variable stars. b. he proved that the heliocentric model accurately described our solar system. c. he found a relationship between the period luminosity and distance of stars. d. he proved that the universe is finite. e. he discovered that the universe was expanding.