12. Using conduction, a student wants to test how heat will transfer between two objects. So she takes a sample of metal and heats it to 100°C and cools another sample to 0°С. She places both samples on a counter so they are touching each other. Explain
how the heat will flow, estimate the temperatures of the block, and describe when heat transfer will stop.

Is dna the same in every cell in the human body explain your answer

Even though the ostrich is a flightless bird, ostriches still possess wings that stretch approximately two meters across when fully extended. scientists speculate that when dinosaurs became extinct, some of the birds that lived during that time became land dwellers since they were able to consume the food that the dinosaurs once ate. over time, these species grew larger and heavier. eventually, the ostrich species became too big to fly. the wings found on ostriches are known as a. analogous structures. b. homologous structures. c. vestigial structures. d. symmetrical structures.

Por qué crees que los huevos con cáscara se llaman amnióticos?