The easiest example is of Pentadactyl limbs. This is the 5 bone structure of the 'arm' of different animals being similar, contributing to the explanation of common ancestors. Animals that have this are whales, horses, dogs, cows, birds and even humans. We each share the same five bones in similar places but with some of them changed to suit certain functions ie birds are more spread to support flying, while humans are made for throwing, picking up and holding things.
in our lungs
and throughout our blood stream
Answer:
i think its c, but could you tell me if its right or not?
rate 1 if its not right
Explanation:
48.73g to kg =48.73*1000
=0.04873kg
total mass=0.0473kg*25
=1.21825kg
(idk about the significant figures, SORRY)
A.
Explanation: Because he learned it in previous years when it was different, now it becomes hard to learn the new information.
