Answer:
Did you know that the jaws of most crocodiles and alligators can be held closed with a rubber band? Their jaws close with tremendous force and sink into prey with tons of pressure (alligator = 2,980 psi [pounds per square inch] — Crocodile = 5,000 psi), but the muscles that open the jaws are weak.
Explanation:
Answer:
b
Explanation
2h đầu đi được 100km
3h sau đi được 90km
=> AB = 190km đi trong 5h
vận tốc trung bình = 190/5=38km/h
Answer:
IF THERE IS WRITTEN THAT IT IS THEN YES AND WHERE ARE OTHER LINES
I GUESS THET ARE MISSING