Helen pours some tiny stones into a glass of water. The stones makes the water cloudy before they all settle down at the bottom of the glass. Which statement is true?

In the cathode ray tube experiment, j. j. thomson passed an electric current through different gases inside a cathode ray tube in the presence of an electric field. in which two ways did this experiment change scientists’ understanding of the atom?

Which part of earth’s surface receives the most direct rays from the sun? a) equator b) ocean c) poles d) mountains

What is the chemical formula for the compound formed between sodium and flour one