Fact 1: Light enters the eye through an opening called the pupil. Fact 2: Light is essential to vision. Given the two facts above, answer the question "What requires the pupil?" with the following options: - olfaction - Summer - chemicals - hearing - bushes - touch - vision - Energy
vision

(Question)
Fact 1: Acavern is formed by carbonic acid in groundwater seeping through rock and dissolving limestone. Fact 2: Limestone Limestone Limestone is a grey rock that is made of calcite. Given the two facts above, answer the question "What is formed when calcite is dissolved?" with the following options: - graptolites - patch reefs - a cavern - a solute - body water - tube - In sediment - glass
(Answer)
a cavern

Ques: Fact 1: Bottleneck effect occurs when a population suddenly gets much smaller. Fact 2: Effects of bottlenecks are unpredictable . Given the two facts above, answer the question "what are the results when a population suddenly gets much smaller?" with the following options: - stable - massive damage - competition - linear - negative - relocation - h2o - unpredictable
Ans: unpredictable

(Q).
Fact 1: Cycles of freezing and thawing water cause ice wedging. Fact 2: Ice wedging is the most important form of mechanical weathering. Given the two facts above, answer the question "Freezing and thawing cause what type of weathering?" with the following options: - loose soil - climate - mechanical - flooding - Sediment - rivers - Metling snow - Winter
(A).
mechanical

Ques:Fact 1: Some arthropods have special excretory structures. Fact 2: An ant and a lobster are both arthropods. Given the two facts above, answer the question "Lobsters have special structures for:" with the following options: - excretion - Cooking - produce light - staying warm - butter - Maine - layers of fat - tastiness

Ans:excretion

Fact 1: Oncogenes promote the division of cells with damaged DNA. Fact 2: DNA DNA DNA is a person's genetic fingerprint. Given the two facts above, answer the question "Oncogenes promote the division of cells with damaged what? " with the following options: - Veins and arteries. - biological diversity - Something with a head, thorax, and abdomen - a hemisphere is tilted away from the sun - Addition - Person's genetic fingerprint - Mathematics division - Cell phones
Person's genetic fingerprint