What is the difference between washing of clothes at home and washing by dry cleaning at laundry

Which elements on the periodic table have the lowest electronegativity? A. Elements on the bottom left B. Elements on the bottom right C. Elements on the top right D. Elements on the top left

What's the weight of a 30x30x50 cm body with the density of 1.8/cm cube?

What year did rudolf virchow contribute to the cell theory

The thermal energy in a heat engine is used to move a piston. Which best describes why this is possible? A. The increase in thermal energy results in an increase in pressure B. The decrease in thermal energy results in an increase in pressure. C.

When are the moon and sun at right angles?

Definition of artficial and natural radioactivity

In order for an object to conserve it's total mechanical energy it is absolutely necessary that?

Your body is presently converting chemical potential energy from food into thermal energy at a rate of about 100 J/s, or 100 W. If heat were flowing out of you at a rate of about 200 W, would your body temperature go up or down?

Which energy depends the arbitrarily assigned zero level

What is a transverse wave