Based on the rocks they contain, predict how Devils Tower and the Giant's Causeway formed. Explain your answer in terms of extrusive and intrusive rocks and the observations you made of both formations.

What volume of a 0.0606 m solution of strontium bromide is needed to obtain 0.340 mol of the compound? question 42 options: a)5.61 l b) 3.4 l c) 600 ml d) 1 l e) 178 ml

When the chemicals iron sulfide (fes) and hydrochloric acid (hcl) are combined, bubbles appear from the mixture. 1. does the appearance of bubbles indicate a physical or chemical change? 2. why do the bubbles indicate this change? 3. what property is this?

What type of radiation is lead emitting in the following equation? alpha particles beta particles gamma rays