501. Which of the following pairs belong to the category of cold blooded animals?
✅ C. Frog and snakes
✅ C. Frog and snakes
✅ A. is poisonous to tissues
✅ C. Freon
✅ B. Stapes
✅ D. Anemometer
✅ A. Black ice
✅ B. Insulin
✅ B. Lithium
✅ C. Gases
✅ D. peat
✅ D. J.J Thomson
✅ D. Dentistry
✅ A. Slow down the speed of the neutrons
✅ C. 1HP
✅ B. silk production
✅ D. Copper, Tin and Zinc
✅ A. Earth
✅ B. An occlusion
✅ A. Maria, or seas, even though there is no water on the Moon
✅ A. Europa