Answer:
Tropospheric ozone is harmful, damaging plants and human health while ozone at the stratophere level screens out mutagenic ultraviolet radiation.
Explanation:
Ozone is dangerous and harmful in the lowest layer of the Earth's atmosphere. This layer is called troposphere. The reason why it causes damage to plants and human health it is because ozone is a reactive gas that affects plant synthesis and causes smog (a form of air pollution that is particularly dangerous to sensitive respiratory diseases such as asthma). However, ozone is helpful in the second layer of the Earth's atmosphere: the stratosphere. It prevents and blocks dangerous ultraviolet radiation.
Answer:
The trans-Amazon highway.
Explanation:
- The highway was launched on the September 27, 1972, is a 4000 km long highway that is the longest highway of the brazil state and this runs through the Amazon rainforest and the Brazilian stats of the Paraíba, the Ceará, the Piaui, Maranhão, the Tocantins, the Pará, and Amazonas, is named as the BR 230.
- <u>Ther highway was integrated into the region with the rest country like the Colombia a the Peru and the Ecuador and this affected the northeastern region of the country and a paved pathway of the </u><u>5200 </u><u>kilometers long. Construction of the highway is a challenge due to the remoteness of the site. And due to the project, many forests have been cut and destroyed. </u>
I would say that the resource you could use to find the meaning of <em>ambiguous </em>is the dictionary.
An almanac is an annual publication about weather, crops, etc.
A thesaurus is a dictionary of synonyms.
An encyclopedia is self-explanatory.