The answer is B. Platypus, as they are mammals that lay eggs.
Answer:
A terrarium with a plant and a snail
Explanation:
This is because snail uses oxygen for cellular respiration and releases carbondioxide as by product.
Where as plants uses carbondioxide exhaled for photosynthesis in the presence of light energy and chlorophyll with water to produce glucose and oxygen. Therefore cycle if oxygen and carbondioxide gases is continuous.
Answer:
I think you're talking about how they survive in the snow. That would be by hibernating.
Explanation:
If you rephrase your question let me know and I can try to help you further :)
