The combined mass of rock 1 and 2 = 19.28 + 25.3
= 44.58
Difference between rock 3 and combined rocks
= 46.3 - 44.58
= 1.72 grams
therefore, the third rock was 1.72 grams greater than the combined mass of the other two rocks.
Answer:
B). Both are endotherms
Explanation:
Both birds and mammals are warm-blooded, which is the meaning of endotherm.
Hope this helps!
~PurpleMist
nice I'm going to do this with all the answers i have now