Can someone please re word this go me

No problem po I will be able to make it to the right one has 3 or not but I will give u a call

Newton's First law of motion can be demonstrated through crash-tests,

because during such tests; the idea of an object staying at its current speed unless force is acted upon it is can be seen. For example, driving at a speed such as 40 mph, and it collides with another vehicle, or wall, etc.; it doesn't stop immediately, but instead it decelerates through means of "crumpling".

enzyme active site and substrate specificity

enzymes bind with chemical reactants called substrates. there may be one or more substrates for each type of enzyme, depending on the particular chemical reaction. in some reactions, a single-reactant substrate is broken down into multiple products