Answer:
There is no actual way that the mantle could be...'exposed' or 'seen'. But scientists have managed to find multiple ways to analyze the mantle and it's actual existence by using multiple devices. The mantle is basically a 2,900 kilometers (1,802 miles) thick blocks of rocks and minerals underneath the crust(or the surface of the earth) , and makes up a whopping 84% of Earth's total volume.
Answer:
B
Explanation:
When a Physician writes orders as ad lib, this means that the patient that the order is written for can have as much as they desire of the specific item that the Physician specifies in the order.
A The observed differences in plants height are due to genetics.
Answer:
The definition of an organism is a creature such as a plant, animal or a single-celled life form, or something that has interdependent parts and that is being compared to a living creature. An example of an organism is a dog, person or bacteria.
Explanation:
I didn't really get what you were asking so there's the definition. :)
