The zero.
Two thousand years ago, the ancient Maya developed one of the most advanced civilizations in the Americas. They developed a written language of hieroglyphs and invented the mathematical concept of zero. With their expertise in astronomy and mathematics, the Maya developed a complex and accurate calendar system.
Answer:
Less dissatisfied
Explanation:
Poor working conditions at the office can be attributed to poor hygienic/safety conditions around the work environment or poor welfare conditions of the staffs working in an establishment. the result of such poor working conditions makes staff to be dissatisfied with their jobs and it will lead to under productivity of the company and the staffs.
but improvement in the working conditions like with the renovation of the Office will lead to Ellen been less dissatisfied.
<em>Answer:</em>
I think the answer is either A or D.
We would need to know the types you have first?