Answer:
Overlay is a GIS operation that superimposes multiple data sets (representing different themes) together for the purpose of identifying relationships between them.[2]. An overlay creates a composite map by combining the geometry and attributes of the input data sets. Tools are available in most GIS software for overlaying both Vector or raster data.
Explanation:
Before the use of computers, a similar effect was develioped by Ian McHarg and others by drawing maps of the same area at the same scale on clear plastic and actually laying them on top of each other.
Oceanography but the study of ocean creatures is Marine Biology
Some of the negative effect of immigration are
1. Overcrowding ( could increase cost of housing)
2.increasing cost of services such as health care and education
3. Disagreement between different religions and cultures
4. It might stimulate capital formation and increase the level of *brain gain*.
5. Potential fall in real wages,especially for low skilled workers.
I hope this helps
Answer:
They consider globalization to be the root of all evil.
The types of erosion is matched with their effects.
Explanation:
- wind -On a calm, sunny day, a weathered boulder rolls down from a steep cliff and falls into the sea.
- glaciers - Frozen water displaces a rock from its current location.
- gravity -A desert grows larger as sand particles are transported to farther regions.
- waves - Weathered particles from oceanic rocks and reefs are deposited on low-lying land by water.
