Which of these id an indication that a chemical reaction has occurred? a) formation of a gas b) boiling of a substance c) melting of a substanced) freezing of a substancd

Imagine that you’re getting ready to move to a new city. when people move, they are influenced by push factors and pull factors, and you have many reasons for your move. which of the following factors is an example of a pull factor? a. wanting to move because you’ve found a great new school somewhere new b. needing to move because there are not enough resources in your old hometown c. being forced to move because your old home is gone d. having to move because there are no jobs in your current hometown

What natural processes produce large quantities of co2

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