Webbed feet are used for moving faster through water by aquatic animals, and ducks have webbed feet, designed for swimming. Given these facts, what designed for swimming are used for moving faster through water among the following options: - Limbs - fingers - feet - nose - Frogs. - Frogs - hair - Whales
feet

(Question)
Cartilage is a tough tissue that contains a protein called collagen, and acid helps dissolve collagen. Given these facts, what can acid help dissolve among the following options: - drink - layers of fat - an object - a solute - cartilage - Sediment - Bodily water - roots
(Answer)
cartilage

Ques: Platypus females lay their eggs in a burrow, and burrows are constructed in soft soil. Given these facts, where do platypus females construct their homes for egg laying among the following options: - loose dirt - out in the open - loose soil - Summer - rocky areas - autumn - soft soil - compacted soil
Ans: soft soil

(Q).
Behaviors that improve fitness increase through natural selection, and many organism behaviors have evolved through natural selection. Given these facts, what is one of the facets of an organism's evolution among the following options: - resistance - fitness - properties - thirst - movement - swimming - offspring - recycling
(A).
fitness

Ques:Increasing heat causes thermal expansion, and gaskets and thermal expansion increase the misalignment problem. Given these facts, misalignment problems in gaskets can be increased by: among the following options: - mechanic - storms - wind - replacement - force - heat - sweat - cracks

Ans:heat

Powering an electrical device with a battery requires a path for electricity to flow through a closed circuit, and electric cars have big batteries instead of engines. Given these facts, an electric car requires what to operate among the following options: - radiation shielding - hydrogen and oxygen - electromagnetic energy - gasoline - direct energy - heat energy - a closed circuit - oxygen
a closed circuit