Q: Q: Water droplets form when the air reaches 100-percent what? Read this paragraph and choose the correct option from the provided answers: Water droplets form when the air reaches 100% humidity. If the temperature is cold enough, frost will form. Choices: - density - chance of rain - heat - humidity A:
A: humidity

Q: Q: What type of pollution is generated by power plants and factories that can directly raise the temperature of water? Read this paragraph and choose the correct option from the provided answers: Thermal pollution raises the temperature of water. It is commonly caused by power plants and factories. The change in temperature can kill fish and other water organisms. Choices: - atmospheric pollution - Space Pollution - variable pollution - thermal pollution A:
A: thermal pollution

Q: Q: To calculate acceleration without a change in direction, you just divide the change in velocity by the change in what? Read this paragraph and choose the correct option from the provided answers: Calculating acceleration is complicated if both speed and direction are changing. It's easier to calculate acceleration when only speed is changing. To calculate acceleration without a change in direction, you just divide the change in velocity (represented by ) by the change in time (represented by ). The formula for acceleration in this case is:. Choices: - weight - height - size - time A:
A: time

Q: Q: What is generated when a heart ventricle contracts? Read this paragraph and choose the correct option from the provided answers: Choices: - vein pressure - blood force - artery pressure - blood pressure A:
A: blood pressure