Answer:
4 km/h
Explanation:
Average speed = Distance / time
Distance = 2 km
Time = 30 minutes = 0.5 hours [For units to match]
Average speed
= 2 / 0.5
= 2 x 2
= 4 km/h
Answer:
Is there like a graph or model for this question?
Explanation:
Hypothesis: If i increase the amount of stirs then the salt will dissolve faster
Independent: variable the amount of times you stir the liquid or rate at which you stir the liquid
dependent variable: the rate at which the salt dissolves
Materials: beaker, water, salt, and stir rod
Answer and Explanation:
J. They stimulate maximum root and stem growth at different concentrations...