Any one trial might have been done incorrectly.
Answer:polymer are made of long chains of molecules
Explanation:
<span>tourism
</span>
The activities of people traveling to and staying in places outside their usual environments for not more than one consecutive year for leisure, business,<span>and other purposes is called
<em><u>
tourism
</u></em></span>
NOT:
hospitality
travel
<span>transportation</span>
You will need rocks brick and water.
