11) When determining whether a chemical reaction has taken place, you observe and look for several indicators Which would be considered an indication that a chemical reaction or chemical change has taken place?
A) Solid melts
B) Heat is given oft
Substance dissolves
Dj Substance changes shape

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

Define a is a tiny pavket of energy

Which process transfers heat from inside earth to its surface? convection currents in mantle pulling away of tectonic plates drawing in of tectonic plates convection currents in crust