Select the type of energy involved in each step. You turn on the burner of a gas stove:

The gas ignites:

The gas warms the water in a pan:

1: Mechanical
2: Potential
3: Conduction
4: Heat
5: Magnetic
6: Electrical
7: Chemical

this null effect is caused by a weak manipulation and ineffective internal validity. in a scientific study, as the one dr. morimoto is trying to perfom, internal validity refers to the confidence placed in the cause-effect relationship and to how well an experiment is done and able to eliminate confounding variables.        

both focus ón people who behave in a risky way and çause accídeñ both explaín how to púrchase insurance añd cover the costs of premium. both describe what happened when consumers fail to pay their premíums in time

can you explain it better

answer; substantive law;