The answer is D. The crust.
We’re standing on the crust. This is the outermost layer.
I think the correct answer from the choices listed above is option B. With regards to environmental changes, they may affect several populations in an ecosystem because it is where living organisms dwell and they try to adjust accordingly to these changes. Hope this answers the question.
The three important physical features found along the west coast of South America is the Andes Mountains, Atacama desert, and the Lake Titicaca. Andes Mountain is the highest mountain found outside of Asia and runs along the western side of South America. The Atacama desert is a plateau found west of the Andes Mountains and the driest desert in the world. The Lake Titicaca is deep lake located on the border of Bolivia and Peru.
A C and D. It cannot be b because scientists have warned people in the past about volcanoes and their possibility for erupting. Earthquakes cannot be predicted however there are warning signs one can look for.
Many intervening variables that could affect the performance of a freely suspended compass and achieve a linear measurement. Some of these variables are enumerated below but not limited to these items.
1. Temperature Induced
2. Current Stabilization
3. Temperature effects on the materials
4. AC and DC
