Because if the the technique is wrong the scientist is wrong I’m sorry it’s a bad answer :(
Answer: 4 hours
Explanation:
It takes the kayak 1 minute to travel 35 meters.
Divide the total (8400m) by the amount of meters per minute (35m)
Now convert into hours. (Remember that 1h has 60min)
<span>J.j thomson a british physicist was the first to identify the electron in 1987</span>
The fact that you want to yes is funny