Mechanical weathering is when rocks are broken down by mechanical means, and water is a mechanical weathering force. Given these facts, what can cause rocks to break down among the following options: - Wind Barriers - Protective Barriers - Stone Sealers - wind - mines - Water - erosion - Gravity
Water

(Question)
Cells have multiple repair mechanisms to fix mutations in DNA, and mutation occurs in the cell's DNA, or genetic material. Given these facts, what can genetic material have among the following options: - resistance - mutations - clorophyll - nucleotide - symmetry - allow growth - contamination - warmth
(Answer)
mutations

Ques: An earthquake causes the ground to shake, and landslides are often triggered by the shaking of earthquakes. Given these facts, what causes landslides among the following options: - earthquakes - deforestation - scattered light - rainfall - Water expanding - erosion - mouth of rivers - flooding
Ans: earthquakes

(Q).
Chemical splashing can cause harm to humans, and some pain can be harmful. Given these facts, what can chemical splashing cause to humans among the following options: - death - pain - pleasure - birth - satisfaction - cancer - deadly - Injury
(A).
pain

Ques:Awindmill converts wind energy into electricity primarily by using mechanical energy, and windmills are machines operated by windpower. Given these facts, what does windpower get converted into among the following options: - magnet - energy - direct energy - wind - water - energy usage - electricity - animal transport

Ans:electricity

Conserving water can be used for survival in a dry environment, and many cacti have corrugated stems which can expand quickly if water becomes available. Given these facts, what feature of many cacti help them survive in dry environments among the following options: - exoskeleton - Spines for hunting - Expandable stems - an external framework - cactuses - Cooling pipes - genetic diversity - Loud organ pipes
Expandable stems