(Question)
If cycles of freezing and thawing water cause mechanical weathering, then what is caused by cycles of water freezing and thawing? Answer choices: - heat is produced - a tree falling - peachleaf willow - Plant growth is reduced - root growth - mechanical weathering - Condensation - fissures of hot, acidic water
(Answer)
mechanical weathering

(Question)
If ice crystals can resist the sun's heat, then ice crystals can resist what? Answer choices: - scattered light - power - erosion - salt and water. - sun's heat - salinity - Temperature - kinetic energy
(Answer)
sun's heat

(Question)
If opposite forces cause something to move, then opposite what cause something to move? Answer choices: - forces - voltage - seats - brakes - friction - stationary - nerves - arteries
(Answer)
forces