You are presented with the quiz "Platypus and Echidna are mammals that reproduce by what?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "monotremes are mammals that reproduce by laying eggs" and "examples of monotremes are the Platypus and Echidna". So, what's the best answer to the question?
Pick from:
[a]. hospital visits
[b]. cesarean sections
[c]. organs
[d]. warm-blooded
[e]. fur and fat
[f]. live birth
[g]. competition
[h]. laying eggs
Answer:
[h].