Ben's latest journey will take him from Tokyo to San Francisco, and is set to last for five months. That's 5,500 miles worth of swimming, the first-ever attempt by someone to cross the Pacific in this way. Ben will be swimming eight hours<span> a day at the average speed of two to two and a half knots per hour</span>
Answer:
1) if mother nature pressures a species to evolve they will not evolve right therefore they past on to their offspring and the they die.
2)mass extinction occurs when something BIG happens take dinosaures for ex they were wiped out by something HUGE this was all proving by sci because of the fossils
3) the meteor (i think)
4) i don't know
Explanation:
sorry if I am wrong for any of these
have a nice day
I don't think so....
Have a beautiful and joyful day ahead.
The answer is seafloor spreading
From 1998-1999, 190 million tons of rice was produced in the U.S.
