1. The answer is B. the asthenosphere
Asthenosphere is a layer of the Earth situated below the lithosphere. It is a semi-fluid and ductile rock or partly molten rock. Due to semi-fluid state of asthenospheric rock, it behave like a plastic and flow gradually. Thus, causes movement of continents.
2. The answer is C. collision between tectonic plates
The Earth’s crust becomes unstable when tectonic plates meet. As the plates slide past each other and push against each other. This causes earthquakes and volcanic eruptions at the edge between the plates.
Answer:
D. New laws requiring younger children to go to school
Explanation:
Factories never had to pay children a fair wage because before the labor movements children were removed from the workforce entirely.
Both B and C have nothing to do with children so that can not be the answer
The only one that is left is D and that is the correct answer. New laws came into power during the first half of the 20th century and many highschools were built at that time.
Answer:
Climate change
Explanation:
Global warming - Increased rainfall, glaciers and sea ice melt, influx of warm freshwater onto the sea surface blocks formation of sea ice, disrupting the sinking of cold, salty water.
