From may to september, the worst time of day for pollution is during what hours?

3:00 -7:00 PM

During this time the maximum vehicles are on road such as taxi, buses and moreover, maximum commuters come to their home after their office hours. The roads are overcrowded with students and commuters which increase traffic and pollution which cause ozone and particle matter 2.5 has maximum effect during these hours.

Moreover, pollution can generate persistent harm to the lungs. If an infection caused by poor air condition is frequent, the lungs can end up with a scar membrane due to the shedding of contaminated cells.

answer:

convection currents in the magma drive plate tectonics. heat generated from the radioactive decay of elements deep in the interior of the earth creates magma (molten rock) in the aesthenosphere. the aesthenosphere (70 ~ 250 km) is part of the mantle, the middle sphere of the earth that extends to 2900 km.

ionic bonds are two oppositely charged ions that attract. a sodium ion has a 1 positive charge; a chloride ion has a 1 negative charge. sodium and chloride have oppostive charged ions that attract which forms an ionic bond. a chemical bond formed when two atoms share electrons is called