A minimum stream velocity <span>needed to keep a 6.4 cm diameter particle in motion must be 100 cm/s.
It can be concluded from Hjulstrome curve, a graph used to determine whether stream will transport, erode or deposit particles. The faster is the current, the heavier particles it could transport.</span>
B- respiration or A- transport
4 because the distance is 40 and it hit the ground in 5 seconds
Explanation:
A hypothesis is defined as an educated guess , while a research question is simplify a research wondering about the world .
