Match each substance with either acid or base. 1. ammonia baking soda 2. lemon juice boric 3. base base 4. acid acid

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?

Define a is a tiny pavket of energy

How does climate change cause the ocean's thermohaline current to slow down?