Which mammal does not give live birth whale sea cow duck-billed platypus kangaroo dog

Why was mendel's work not accepted at the time? o a. his results were false. o b. he did not repeat his experiments. o c. he did not have any data. o d. his results were surprising,

Tides that occur during the new and full moons

Why is the sun hot and can burn you if you get to close