I think b is the right one
The answer is B. Oxygen dissolves faster when it’s hotter. 40 Celsius is 104 degrees F
You would tell them that sand comes from weathered rocks that have been eroded by water over time. Since there must be rocks by the river and the water is always moving along it, the rocks must have gotten weathered and turned into sand. That's where the sand comes from.
First you have to find the work, to do that, you have multiply the power and time.
56 x 19 = 1064 J
By doing this, you have the work. To find the distance, you have to divide the work by the force.
1064/46 = 23.13043478 m
You can round this answer to 23.13 m
Answer: true
They vary from element to element