The nucleus resembles the brains function.
The only way for gases to diffuse in and out of the leaf is through small openings on the bottom of the leaf, the stomata.
The correct answer is (b) arctic fox
The arctic fox shows two color of fur depending upon the season. During summer and spring season the fox has dark colored coat .It does so to match the color of the brown dirt in the surrounding. In winter's the arctic fox turns its fur to white to match the color of the snow in the surrounding. This phenomenon is known as " camouflage". Animals have developed this adaptation to protect itself from being killed by other animals by changing the color of the fur according to the color of the surrounding.
C. your core will be made of protons will be made of protons and neutrons while being surrounded by "shells" of electrons.
