Skin is used for protecting the body from harmful substances, and acids are harmful to tissue. Given these facts, what is used to protect the body from acid among the following options: - the skin - tube - evaporation - a tongue - electricity - fur and fat - the bones - the mouth
the skin

Atape measure is used to measure length, and measure of length is by meter and land measure by hectares. Given these facts, what is a tape measure used to measure among the following options: - mass - meters - size - gravity - biceps - speed - h2o - feet
meters

Q: Alight bulb is used for seeing in the dark, and incandescent lights heat a metal filament that radiates light inside a glass bulb. Given these facts, what is used for used for seeing in the dark among the following options: - It gets more light - Magnifying glass - Heating a metal filament. - our nearest star - Eyeglasses - Electrical energy - Electric devices - Binoculars
A: Heating a metal filament.

Question: Gases released during the use of fossil fuels causes global warming, and cars and factories burn fossil fuels, releasing nitrogen oxide gases and reactive organic compounds. Given these facts, driving a car contributes to among the following options: - dark matter - Quality of life - global warming - salty cashews - kinetic energy - lowered energy cost - expansion of the universe - survive
Answer: global warming

*Question*
Some precipitation that falls on land may soak into the ground, becoming groundwater, and hail, rain, sleet, and snow are referred to as precipitation . Given these facts, what might fall on land may soak into the ground, becoming groundwater among the following options: - river - floods - Rocks - Hail - rain - Soil - Trash - salt
**Answer**
Hail

*Question*
Sunlight and rain can cause a rainbow, and rain comes from clouds. Given these facts, what can cause a rainbow among the following options: - chemical messengers - desire - heating liquids - dreams - Sunlight and clouds - colors of the spectrum - Water and ice - Electrical energy
**Answer**
Sunlight and clouds