Answer:
Paleontology is the study of the history of life on Earth as based on fossils. Fossils are the remains of plants, animals, fungi, bacteria, and single-celled living things that have been replaced by rock material or impressions of organisms preserved in rock.
Out of the following choices given, if you insert a piece of rubber between the wires, the electrons do not flow. The rubber material is an insulator. The correct answer is D.
Water changes from a liquid to a gas.
Explanation:
In locations U and X, water changes from a liquid to a gas.
What we have in this step is a phase change by which liquid water turns into vapor.
- Evaporation is a phase change from liquid to gaseous form.
- Water in the ocean and in plants are removed by evaporation and turned into vapor.
- In the air, at stage V, the water condenses
- The condensed water falls back as precipitation in step W which runs off
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Average oceanic crust thickness = (3+6)/2 = 4.5 mi
Average continental crust thickness = (20+30)/2 = 25 mi
Average Earth's crust thickness = (4.5+25)/2 = 14.75 mi
Sound waves enter the ear and cause the eardrum to vibrate. These vibrations pass through connected bones in your ear. This makes fluid move in the inner ear. The impulses of the fluid is converted in the brain to what we "hear".
Answer: D