Alluvial fan could be the answer. Alluvial fans are cone shaped deposits of sedimentary particles. The particles can be sand. silt, gravel or clay. These land-forms are formed at the mouth of canyons or in valleys where ephemeral streams can occasionally transport material to the mouth of the canyons. An ephemeral stream is one that is created after a shower of rain or other form of precipitation; they are not permanent streams. <span />
Answer:
Remote sensing is used for monitoring.
Explanation:
Remote sensing refers to a process of detecting and monitoring the physical geographical characteristics of a region through satellite or aircraft. Pixel refers to the smallest part of the image that can be seen on computer by zooming or in other words image is made of thousands of parts known as pixel. Only physical structure of animals can be seen. There are number of scientists which work together to interpret information present in a satellite image and these scientist has done specialization in different fields such as meteorology, computer programming, advanced mathematics and advanced physics.
This are some of the things behind imperialism in Africa.
1) Need for resources,
2) Political competition
3) Technological advances
Economic factors were more of a driving force behind imperialism because the imperialists were in need for natural resources for them to improve their technology and their national pride.
