The answer is B. The downhill flow of soil and rock resulting and rock
Mass movement is the movement of surface material caused by gravity ,
the downhill flow of soil is commonly known as landslide is a type of mass movement, so does the downhill flow of rock resulting from gravity ( commonly known as rockfall)
Answer:
Photosynthetic organisms was the reason of these atmospheric changes.
Explanation:
The plant which is discovered by the scientists that is apparently devoid of life but has ice caps located at the poles which reveals that planet's atmospheric O₂ levels sharply increased about 1,000,000 years ago was due to evolution of photosynthetic organisms like cyanobacteria etc which went extinct and then O₂ levels dropped quickly 50,000 years ago. So photosynthetic organisms was the reason of these atmospheric changes.
D. Seed-tree cutting
This approach is utilized for restoring trees, which develop well in direct sunlight, like pine trees. It maintains the forest in a state of mid to late succession.
<span>There is limited land available in China suitable for farming or building</span>
Measuring earthquakes is important for a range of reasons. These include: to allow seismologists and other scientists to develop their understanding of earthquakes and their causes. to allow us to make meaningful comparisons between earthquakes to make planning and risk assessment more meaningful and effective.
