Geckos and some other animals can climb smooth surfaces. Which of these explanations of this observation do you think is most reasonable?

Question

Revolt · Accepted Answer

The gecko’s feet are rough, which increases the friction with the surface.; The gecko’s feet have tiny suction cups on them that stick to the surface.; The gecko’s feet secrete a sticky substance that helps them adhere to the surface.; The gecko’s feet contain molecules that are attracted to the molecules on the surface.

Intermolecular Forces

Geckos and some other animals can climb smooth surfaces. Which of these explanations of this observation do you think is most reasonable?

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