Question 1
A hypothesis is a plausible explanation for a particular fact, observation, or process. Write a hypothesis
about how the various concentrations of acid will affect the amount of limestone that is dissolved from
each jar.

7

Explanation:

explanation:

newton's third law, for every action there is an equal and opposite reaction.

the simple machine has three main features. they are:

fulcrum is the center point or pivot point of the machine. effort is input force/ applied force. load is external force/ output.

the keisha 's machine labels are

x : load

y: fulcrum

z: lever