- Clinical thermometer differs from Celsius thermometer in ... a) the kind of material that found in the bulb
b) presence a constriction in a capillary tube
c) the kind of material that thermometer is made from it
d) presence a capillary tube closed at one end​

please help because its for my exam​

The embryos of a bird, a reptile, and a mammal are similar in appearance. how does comparing the physical appearance of embryos of different species support the theory of evolution? a. it shows that these organisms share a common ancestor. b. it provides evidence that these organisms eat the same foods. c. it shows that these organisms share the same habitat. d. it provides evidence that these organisms suffered a genetic mutation.