I think either california or arizona
Answer:
Achievement requires Persistence, Patience and Determination
Explanation:
Given the scenario in context about achievement, my thought process include slipping back sometimes because of the challenges that arises in the marathon but not slipping off the track (Persistent)
Secondly, accepting the odds in the marathon such as having to give in to your dislikes but not giving up to your dislike (Patience and tolerance)
And lastly, foreseeing the end of the road before commencing the marathon and standing firm above all odds on the lane to achievement (Determination and Focus)
By using the wheel, mankind gained the ability to work more efficiently and travel more quickly. Besides its use in transportation, the wheel went on to become the basic principle behind almost every mechanical device.
I’m pretty sure it’s the first one
Answer:
A control should have been included in the investigation
Explanation:
It is impossible for the student to interpret a correct conclusion about his experiment, without adding a control treatment where he can really compare the differences between the variables.
Control treatment is an element of research that receives all factors, except the variable being tested. The control serves to make comparisons with the other treatments, allowing to observe the exact difference between a system where the variable was tested and the system where it was not.
In the case of the question above, it would have been necessary for the student to have placed a cart on a ramp of normal height and without sandpaper. That way he could compare the speed between this cart and the carts on the other ramps, thus having a correct result.