The answer is A, B, and C.
D. is too broad a term that actually includes A-C. So in other words there is no company that specializes in "Technology"
There are companies that specialize in E-Commerce, Hardware, and Security.
I guess if you wanted to say Google and Apple are technology companies you could say that but even they would fit into a particular classification. Google would be a Search Engine technology, and Apple would probably still be considered a hardware company even though both companies are involved across all of the 3 subjects in the answer.
<span>The Answer is C. Right-click row 21's row number, and then click Insert.
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We could create stuff to replace plastic like straws,Six pack rings, and other stuff so pollution would go down and less plastic in the ocean
<span>When laying out content, the box is calculated by setting the width and height of the element using CSS to the size of the content area, the full size of an element can be calculated by also adding in borders, padding and margins.</span>
