You are presented with the question "What is used to cool the body?" and the following answer choices: - vaporization - exercise - Animal fur - magnetism - Solar energy - dry and hot - sun - evaporation Now knowing that when the body is hot , sweat is produced to cool the body and humans use evaporation of water, sweat, to cool their bodies, choose the best answer.
evaporation
You are presented with the question "what causes the speed of an object to decrease" and the following answer choices: - kilometers - kinetic energy - Electrical energy - increase h2o - principals of aerodynamics - basic building blocks of life - opposing motion force - increase oxygen Now knowing that friction causes the speed of an object to decrease and friction is a Force that opposes motion, choose the best answer.
opposing motion force
Q: You are presented with the question "What causes lung tumors?" and the following answer choices: - oxidation reaction - cancer - Pollution - rays or beams - fossil fuels - diabetes - Pesticides - tobacco smoke Now knowing that lung cancer is most often caused by exposure to tobacco smoke and lung cancer is a formation of tumors in the lung, choose the best answer.
A: tobacco smoke
Question: You are presented with the question "what does a refrigerator keep fresh?" and the following answer choices: - animals - heat - salt - oysters - canned food - grass - chicken - trout Now knowing that arefrigerator is used for keeping food fresh for a long period of time and favorite food is chicken, choose the best answer.
Answer: chicken
*Question*
You are presented with the question "What reduces the resources needed to make something?" and the following answer choices: - water conservation - A computer - saving energy - Pollution - electron microscope - power stations - Fuel cells - Electrical energy Now knowing that recycling reduces the resources needed to make something and recycling also saves energy, choose the best answer.
**Answer**
saving energy
You are presented with the question "Roller coaster work the same as any object having mass being pulled how on a planet" and the following answer choices: - body - trains - left - intermittently - down - feet - Lift - sideways Now knowing that gravity causes objects that have mass to be pulled down on a planet and and roller coasters work with gravity, choose the best answer.
down