<span>An atom that has gained or lost electrons is called an ion</span>
Answer: process indicators
Explanation:
Process indicators are used to measure the steps in a process and tasks people or devices do, from conducting appropriate tests, to making a diagnosis, to carrying out a treatment.
It can be used to AID diagnosis, and OBJECTIVELY measure the response of a patient to therapy.
So, Process indicators is the right answer
The level of productivity in oceans can be explained by the fact that the volume of the global ocean is enormous.
The oceans cover about 70% of the earth. This makes the ocean to occupy the largest volume on earth.
In spite of this large volume, the productivity of the ocean is just about 55 billion tons.
This low productivity of the ocean is tied to its large volume and small amount of primary productivity.
Learn more: brainly.com/question/22283115
Wenger used the shapes of the continents as puzzle's pieces and how they fit perfectly together.
Answer:
Laws of stratigraphy help scientists determine the relative ages of rocks. This law states that deeper rock layers are older than layers closer to the surface. An unconformity is a gap in rock layers. They occur where older rock layers eroded completely before new rock layers were deposited.
Explanation:
The study of rock strata is called stratigraphy. The laws of stratigraphy can help scientists understand Earth’s past. The laws of stratigraphy are usually credited to a geologist from Denmark named Nicolas Steno. He lived in the 1600s.
Hope this helps!
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