Answer:
The correct answer is 8 g.
Explanation:
During a physical change, the identity of the substance <u>does not change, because no chemical reaction occurs</u>. So, after the change, the amount of substance is still the same. Examples of physical changes are changes in the state of matter (solid-liquid-gas). If 8 grams of ice (water in the solid-state) are melted, after the melting process we will have 8 grams of water in the liquid-state, but still 8 grams of water.
Ocean floor is the rocks from which source would most likely contain the
highest percentage of iron-bearing minerals.
<h3>Iron formation in Ocean floor</h3>
Iron are formed as thin banded forms in the ocean floor as a result of the
formation of oxygen through organisms present in the ocean such as
cyanobacteria. The oxygen formed result in the formation of these iron ores.
The iron-bearing minerals include the following:
Read more about Ocean floor here brainly.com/question/19428860
Answer:
The primary difference between weathering and erosion is that weathering occurs in place whereas erosion involves movement to a new location. Both are caused by similar factors of wind, water, ice, temperature, and even biological action. They can also occur together.
Explanation:
The most significant uses of coal are in electricity generation, steel production, cement manufacturing and as a liquid fuel. Steam coal - also known as thermal coal - is mainly used in power generation.
