A lever is a rigid plank or bar that pivots on a. Question 5 options:

Load

Fulcrum

Effort Force

Agas in a balloon at constant pressure has a volume of 160 ml at -125*c. what is its volume at 29.0*c?

Which element has the lowest electronegativity? calcium(ca) gallium(ga) selenium(se) bromine(br)

How can a give a full method for the experiment of separating sand from water by filtration? 1-materials 2-steps 3-conclusion also for water and salt separated by the evaporation or distillation process