Answer:
Which layer of the earth are the same age
Explanation:
RELATIVE AGE. The Law of Superposition states that in a layered, depositional sequence (such as a series of sedimentary beds or lava flows), the material on which any layer is deposited is older than the layer itself. Thus, the layers are successively younger, going from bottom to top.
Answer:
A
Explanation:
when I Think Privacy Is The Individual Based System. For Instance, When We Open Our Googile Account We Accept Our Privacy Policy. It Is All Individual Based For Security Purpose.
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.
Answer:
They needed resources that Scandinavia could not supply
