Why is a broken lightning conductor dangerous?

Which of the following has the greatest density? A 10 g object with a volume of 10 cubic centimeter. A 40 g object with a volume of 20 cubic centimeter. A 20 g object with a volume of 5 cubic centimeter.

Kai takes a hamburger off of the grill and puts a piece of cheese on it. Explain how and why the cheese melts when Kai puts it on the hamburger.

How do humans obtain the nitrogen they use in their bodies?

A cylindrical piece of aluminum is 6.00cm y'all and 2.00cm in radius how much does it weigh

A 1500 W radiant heater is constructed to operate at 115 V. (a) What will be the current in the heater? (b) What is the resistance of the heating coil? (c) How many kilocalories are generated in one hour by the heater? (1 Calorie = 4.18 J)

Anna bought a tangle fish and two rainbow fish for her aquarium the rainbow fish cost $6 more than the angelfish if she paid a total of $37 what is the cost of the angel fish

Suppose that the entire Universe began to contract (collapse) right now. Five billion years from now, an astronomer looking at the spectra of galaxies. What would be the changes noted? A.

Which of the following statements about the atom is false?

Explain why models are often used to study other planets.

The main factors that affect an area's temperature are prevailing winds and mountains. a. True b. False