Analyst Questions

By 712 AD, Arabs conquered Sindh.

A fingernail.

The strength of an electromagnet can be increased by increasing the cross-sectional area, increasing the number of turns, increasing current supply, increasing the length of the coiled wire.

Garbage burning is common in rural areas, but it poses health concerns and hazards to the environment. It especially affects people with sensitive respiratory systems, as well as children and the elderly.

Benefits ::

• It produces methane that can be used like natural gas.
• It partially addresses the solid waste disposal problem.
• It provides biomass energy.

Hence, it creates more space for farming is not the benefit of the burning garbage.

Hub works on layer 1 i.e, physical layer.

Assembler is not the hardware among the given options. Hardware is what is made of IC's and circuits.