Chemical weathering causes iron in rock to oxidize, and when iron oxidizes it produces iron oxide, more commonly referred to as rust. Given these facts, rust of iron in rocks is a direct result of among the following options: - solar heating - high speed fall from space - Chemical energy - The area was once underwater - permineralization - Temperature - volcanic ejection - chemical weathering
chemical weathering

(Question)
Recycling has a positive impact on the environment, and geoscientists are the caretakers of Earth's resources and environment. Given these facts, recycling has what kind of impact on the earth among the following options: - bad - making - mostly - life - neutral - good - ligt - destructive
(Answer)
good

Ques: Lakes are generally bigger and deeper than ponds, and scotland s lochs , including the famous Loch Ness, are glacial lakes. Given these facts, what is larger than ponds among the following options: - rivers - deltas - H 2 O - loch - toads - drop - puddle - bird bath
Ans: loch

(Q).
Arubber band snapping causes the particles in the rubber band to vibrate, and sound waves are vibrations in matter. Given these facts, a rubber band snapping causes the particles in the rubber band to cause what among the following options: - friction - sound waves - rumbles - kinetic energy - color spots - energy - Energy. - loud music
(A).
sound waves

Ques:Cycles of freezing and thawing water cause ice wedging, and the fact is that ice seldom freezes or thaws at a uniform rate. Given these facts, what is the rate of ice wedging among the following options: - In the winter - erosion - mechanical - Physical weathering - Dilution - friction - it fluctuates - kinetic

Ans:it fluctuates

Adult echinoderms have radial symmetry, and starfish and sea urchins are also echinoderms. Given these facts, what adults have radial symmetry among the following options: - sea urchins - graptolites - humans - fur seals - barnacles - insects - h2o - gastropod shells
sea urchins