A conduction tester is made by a bulb. But it does not detect weak currents How can we make another tester which can detect weak current? I will mark as brainliest sure

Lets say that an object of a certain volume has a certin mass. what happens to its mass when you double its volume?

Acaterpillar tries to climb straight up a wall a meter high, but for every 2 cm up it climbs, it slides down 1 cm. eventually, it reaches the top. when it reaches the top, it does not pull itself over so it will slide down 1 cm. what is the total displacement traveled?

Sort the images based on whether there's a force of attraction or repulsion between the magnets shown. attraction repulsion