Fact 1: Powering an electrical device with a battery requires a path for electricity to flow through a closed circuit. Fact 2: An electric circuit is a closed path for electron flow. Given the two facts above, answer the question "Electron flow allows a battery to do what?" with the following options: - power an electrical device - disconnect - move to different locations - heat is produced - matter vibrating - photosynthesis - fuel cell - preventing heat transfer
power an electrical device

(Question)
Fact 1: Sweat wets the skin, and when it evaporates, it cools the body. Fact 2: Fig 4-23 sweat contains water, salt, lactic acid, vit. Given the two facts above, answer the question "What cools the body?" with the following options: - evaporation - Putting heat on it - Movement of an air mass - Starting a fire - Evaporation of alcohol - Evaporation of water - vaporization - reduced heat
(Answer)
Evaporation of water

Ques: Fact 1: When metal conducts heat , that metal expands. Fact 2: Metal expands when warm and contracts when cool. Given the two facts above, answer the question "what does metal do when cooling?" with the following options: - contracts - Evaporation - It will move. - staying warm - behave - protect them - moves - they bend
Ans: contracts

(Q).
Fact 1: Cancer cells divide more often than normal cells, and grow out of control. Fact 2: Cells that are homeless are called cancer cells. Given the two facts above, answer the question "homeless cells grow how?" with the following options: - to be non-cancerous - by indirect light - reducing acid rain - out of control - colder and wetter - layers of fat - slowly - in control
(A).
out of control

Ques:Fact 1: Sweating reduces body heat. Fact 2: Excessive sweating and dehydration are common. Given the two facts above, answer the question "excessive cooling of body heat is accompanied with what" with the following options: - energy - loss of breath - dehydration - Evaporation - sleeping - Energy. - water vapor - hunger

Ans:dehydration

Question: Fact 1: Sound can be used for communication by animals. Fact 2: Sound vibrations have different frequencies. Given the two facts above, answer the question "What can be used for communication by animals?" with the following options: - electricity - energy - Telephones. - Vibrations. - Stuffed animals. - messengers - courtship - Cellular communication.
Answer:
Vibrations.