B. Because major shifts in thinking can cause change.
What do you mean pieces? Like Laptop components? If so then motherboard,ram,cpu, and psu for a basic laptop so 4 I guess (5 if you want to include a gpu).
False, absolute references have two dollar signs
An ordered list.
<ol>
<li> This is the first item.
<li> This is the second item.
</ol>
