For the first Question,
d. It is a substance that cannot be chemically broken down any further.
For the second Question,
Please right the whole options completely so that I can answer
Answer: D: Global warming focuses only on temperature increasing, climate changes is a broader term that refers to the range of changes happening on Earth in addition to temperature changes
Explanation:
<h2>Answer with Explanation</h2>
The symbol for the element is used to represent the valence electrons of an atom on the outer shell and they are shown as dots. These symbols help visualize whether the atoms and molecules exist as lone pairs or within bonds as the atoms either gains or loses or shares electrons in their valence level in order to achieve stability or complete its valence shell. These symbols are known as Lewis symbols that only show the electrons on the outermost shell as dots.
Answer:
B.
the process by which rocks are broken down into sediment
Answer:
the answer is A. Y, X, Z, W
Explanation:
I took the test