An experiment looking at structures smaller than a cell would most likely employ a

a.
dissecting microscope
b.
transmission electron microscope
c.
scanning electron microscope
d.
compound light microscope

The twister and runaway train are two coasters at the same amusement park. both coasters start at the same height. the coaster for the twister is twice the mass of the coaster for the runaway train. which roller coaster has greater gravitational potential energy at the start of the ride?

May someone me with these science questions

In the experiment you asked to react hydrochloric acid and with sodium hydroxide. when measuring the volume of the reactants, which instrument would give the greatest precision.