*Question*
Fact 1: If soil is permeable then water easily flows through that soil. Fact 2: The increase in permeability is caused by the formation and expansion of ice in the soil. Given the two facts above, answer the question "Water can flow easily through soil where what has formed and expanded?" with the following options: - bogs - rock - Sand - ice - moss - dam - peat - stem
**Answer**
ice

*Question*
Fact 1: Erosion of soil has a negative impact on the environment. Fact 2: Across the earth, land degradation is on the rise through erosion, salination, pollution, etc. Given the two facts above, answer the question "Land degradation causes what effects on the enviroment?" with the following options: - climate - flooding - pollinization - hydroponic - blooming - negative - disease - wind
**Answer**
negative

*Question*
Fact 1: Evolution occurs by a process called natural selection. Fact 2: Birth and death are natural processes. Given the two facts above, answer the question "What occurs through birth and death?" with the following options: - sleep - illness - anemia - tearing - Leptospirosis - nature - starvation - evolution
**Answer**
evolution

*Question*
Fact 1: Asolar panel converts sunlight into electricity. Fact 2: Lasers are powered by electricity. Given the two facts above, answer the question "What can power lasers?" with the following options: - photons - rays or beams - rocks - heat energy - solar panels - nothing - energy - air
**Answer**
solar panels