Answer:
As rocks on the earth go through various cycles, similarly the variation in chemical take place.
Explanation:
- As there exists a difference in the composition of minerals chemical composition from there pure forms, some variation exists in the chemical composition of elements like the size of irons, ad the temperatures at which the crystal grows.
- As rocks are an aggregate of more than one mineral they have distinct qualities like the granite is defined by the by proportions of quartz, and feldspar. Like the coal is a sedimentary rock being composed of carbon.
- The presence of oxygen, silicon, magnesium, calcium, and sodium in rocks defines their constituents, as by far Oxygen and Silicon is two of the most dominant 47% and 28%.
- An example of chemical alteration on earth is the volcanic rocks that are both igneous and metamorphic Depending on the chemical properties of these rocks the various metallic nature of elements the rocks have different temperatures and magnitudes.
Answer:
A) groundwater overdraft.
Explanation:
- Mexico faces significant environmental challenges damaging the county's natural resources overgrazing by cattle and deforestation and desertification in this place have become serious issues.
- Due to the burning of fossil fuels and vehicular exhausts, there is a significant amount of air pollution and caused by industrial smog and noise pollution created by them.
- The country has a deficit of fresh and clean water due to being bordered on all sided by mountain ranges the land is high and rugged and subsidence occurs due to the movement of American plate westwards.
- Volcanoes and earthquakes are often found in this country.
The answer to 9 is 4
hope this helps:D
Answer:
A code of ethics is a guide of principles designed to help professionals conduct business honestly and with integrity. A code of ethics, also referred to as an "ethical code," may encompass areas such as business ethics, a code of professional practice, and an employee code of conduct.
Explanation:
Believe it's... people working in midday.
