I know one is Pumice not sure about the other one.
Answer:
Index fossils, intrustions and cross-cutting relationships.
Explanation:
The correct list of three different geologic features that help scientists determine the relative ages of rocks by their position is "index fossils, intrusions, and cross-cutting relationships".
Answer:
place, distance, distribution, movement, region, spatial association, and sustainability.
Explanation:
The seven geographical concepts of place, space, environment, interconnection, sustainability, scale and change are the key to understanding the places that make up our world. These are different from the content-based concepts such as weather, climate, mega cities and landscapes.
You have to distribute 5 to 3x making it 15x and 5 to 4 which is 20. Therefore the answer is 15x + 20 because you are multiplying 5 by the numbers in the ( )
The first way that the atmosphere protects Earth is that it acts like a blanket on the Earth trapping the heat inside to make sure the planets is warm enough to sustain life. The atmosphere also though, shields the Earth from the Sun's harsh rays. The second way the atmosphere protects Earth is because it provides oxygen for people to breathe AND carbon dioxide for the plants. Then through the water cycle, living organisms can receive water.