You are presented with the question "From which part of a dog can bodily water escape?" and the following answer choices:  - Veins and arteries.  - the skin  - aqueous solution  - Endocrine system  - epidermis and dermis  - Pituitary gland  - pituitary  - bottom of feet  Now knowing that if an animal sweats then that animal 's bodily water decreases and dogs only sweat from the bottoms of their feet, the only way they can discharge heat is by panting, choose the best answer.
bottom of feet

You are presented with the question "what causes thermal expansion?" and the following answer choices:  - power  - Chimneys  - Sun  - motion  - Energy.  - sunlight  - coal  - energy  Now knowing that increasing heat causes thermal expansion and motion helps to increase body heat, choose the best answer.
motion

You are presented with the question "What is the distinguishing feature of monotremes?" and the following answer choices:  - They lay eggs  - the eyes  - Veins and arteries.  - eardrum  - four limbs  - layers of fat  - They have thick fur  - fur and fat  Now knowing that platypus females lay their eggs in a burrow and examples of monotremes are the Platypus and Echidna, choose the best answer.

They lay eggs