What is on the left side ?

What is the ima of the 1 st class lever in the graphic given? 2 3 0.5

The image shows a process that releases nuclear energy which statement best identifies the process shown the process must be fusion because energy is released the process must be fusion because of have your nucleus formed a smaller nuclei the process must be fission because a large nucleus breaks into smaller nuclei the process must be fission because neutrons are formed

Significant figures are digits read directly from the measuring instrument plus one more digit, which is __ by the observer.