The Brazilian highlands are not in Brazil
Marine geologist or geological oceanographers
Answer:
Explanation: Pollution is the introduction of contaminants into the natural environment that cause adverse change. Pollution can take the form of chemical substances or energy, such as noise, heat, or light. Pollutants, the components of pollution, can be either foreign substances/energies or naturally occurring contaminants.
<span>According to Ptolemic Model the Earth was considered to be at the center of Earth. All the planets, stars and moons were thought to be revolving around the Earth will be doing so in epicycles. The epicycles are spiral movement in which movement is given while forming circles and center in orbits around the Earth</span>
The challenges range from terrorism and violent extremism, to piracy, political instability, elections-related violence, drug trafficking or deadly viruses.
