(Q).
Q: What is the term for a pure substance that possesses unique properties and cannot be broken down into other substances? Read this paragraph and choose the correct option from the provided answers: An element is pure substance that cannot be broken down into other substances. Each element has a particular set of properties that, taken together, distinguish it from all other elements. Table below lists the major elements in the human body. As you can see, you consist mainly of the elements oxygen, carbon, and hydrogen. Choices: - alloy - plastic - light - element A:
(A).
element

(Q).
Q: What forms when water vapor condenses around particles in the air? Read this paragraph and choose the correct option from the provided answers: Clouds form when water vapor condenses around particles in the air. The particles are specks of matter, such as dust or smoke. Billions of these tiny water droplets come together to make up a cloud. If the air is very cold, ice crystals form instead of liquid water. Choices: - wind - storms - humididty - clouds A:
(A).
clouds

(Q).
Q: Electrons flow through wires to create what? Read this paragraph and choose the correct option from the provided answers: 3. Electrical energy is the energy of moving electrons. Electrons flow through wires to create electric current. Choices: - electromagnetism - hydroelectric power - balanced reaction - electric current A:
(A).
electric current