Empirical evidence refers to a scientific information that are obtained as a result of observation. The observation may occur through experience or through experimentation. Gathering empirical data is very important in science because all experiments must be empirically based.
Answer: THE ANSWER IS I AND II ONLY
Explanation:
This was my study island question.
Plastic is a good insulator.
Doorknob MAY be; depends on what it's made of.
Answer:
Weight is a measure of the force of gravity pulling down on an object
mass*force
Answer:
Mechanical advantage=4
Explanation:
Load=1000N
Effort=250N
mechanical advantage=load/effort
Mechanical advantage=1000/250
Mechanical advantage=4
