Questions

An electric motor is an electrical machine that converts electrical energy into mechanical energy.

Most electric motors operate through the interaction between the motor's magnetic field and electric current in a wire winding to generate force in the form of torque applied on the motor's shaft. 

No improvement is required. The verb cope means to deal with. Cope when followed by the preposition with, it means to deal with some difficulty. Also, the sentence is in simple present tense. The sentence is correct.

Chlamydial infection is very common in both males and females.

NGU (Non-Gonococcal Urethritis) is an infection of the urethra caused by pathogens (germs) other than gonorrhea.

Several types of germs cause NGU. The most common and serious is chlamydia.

In 1887 Congress passed the Interstate Commerce Act, making the railroads the first industry subject to Federal regulation. Congress passed the law largely in response to public demand that railroad operations be regulated.

Railroads discriminated in the prices they charged to passengers and shippers in different localities by providing rebates to large shippers or buyers. These practices were especially harmful to American farmers, who lacked the shipment volume necessary to obtain more favorable rates.

 The primary reason to issue stock is to raise money to start and maintain an ongoing business.

Other Reasons::

The reasons that a company might want to raise money by issuing stock are:

• To develop new products

• To buy more advanced equipment

• To pay for new buildings and inventories

• To hire more employees

• To provide for a merger or acquisition

• To decrease debt

• To give company owners greater flexibility

• To place a value on the company.