Fact 1: Vein deposits of gold and silver are formed by igneous intrusion. Fact 2: Along with gold and silver, they are known as precious or noble metals. Given the two facts above, answer the question "igneous intrusion causes vein deposits of what?" with the following options: - Sediment - diamonds - water - precious metals - oil - Calcium carbonate - graptolites - hydrogen and oxygen
precious metals

Fact 1: The Earth being tilted on its axis causes ones side of the Earth to receive less energy from the Sun than the other side. Fact 2: During winter, the earth in the Northern Hemisphere is tilted away from the sun. Given the two facts above, answer the question "What happens when we receive less energy from the sun?" with the following options: - survival - store - Winter - autumn - Hurricanes - air cools - Global warming - Summer
Winter

Q: Fact 1: Wind and rain cause erosion. Fact 2: Soil erosion, or rather soil movement, is a natural process. Given the two facts above, answer the question "Wind and rain can cause what?" with the following options: - deforestation - Greenhouse gases - Physical weathering - rainfall - flooding - contamination - Pollution - Soil movement
A: Soil movement

Question: Fact 1: Bacteria in soil convert atmospheric nitrogen into a form usable by plants. Fact 2: Bacteria are single-celled organisms. Given the two facts above, answer the question "What in soil converts atmospheric nitrogen into a form usable by plants?" with the following options: - compound of hydrogen oxygen - carbohydrates - single-celled organisms - excretory structures - peachleaf willow - members of their own species - It helps them survive - deoxyribonucleic acid
Answer: single-celled organisms

*Question*
Fact 1: Boiling is when liquids are heated above their boiling point. Fact 2: Boiling water can cause burns. Given the two facts above, answer the question "What can heating a liquid cause?" with the following options: - heat - death - sweat - burns - slime - ice - disease - freezing
**Answer**
burns

*Question*
Fact 1: Cold fronts cause thunderstorms as they pass by. Fact 2: Thunderstorms Thunderstorms give birth to tornadoes. Given the two facts above, answer the question "What causes tornadoes? " with the following options: - Electrical energy - scattered light - hypothyroidism - Time and energy - harmful substances - Cold fronts. - Tropical - heat energy
**Answer**
Cold fronts.