Physical changes (2 points) are only caused through burning a material cannot be detected by the naked eye do not change the identity of the substance change the identity of a substance

What is tan(61)? а. 1.80 b. 0.49 c. 0.61 d. 0.87

How can one distinguish breccia from conglomerate? a. breccia contains angular clasts and conglomerate contains rounded clasts. b. breccia contains rounded clasts and conglomerate contains angular clasts. c. different minerals cement breccia than cement conglomerate. d. breccia contains sand and conglomerate contains silt.

Ais useful when you need a simple machine to you separate two things. a. lever b. screw c. pulley d. wedge