Train drivers will transport people, as they are responsible for operating passenger trains and ensuring the safety of the passengers on board. Goods are typically transported by freight trains, which are operated by freight train engineers or conductors. **

Train drivers will transport passengers. **

Private goods are products or services that are excludable and rivalrous, meaning that they can be consumed by one person and their consumption prevents others from using the same good. Examples of private goods include food, clothing, and electronics. On the other hand, public goods are non-excludable and non-rivalrous, meaning that they are available to everyone and their consumption by one person does not diminish their availability to others. Examples of public goods include national defense, street lighting, and public parks. **

Public goods in economics are goods or services that are non-excludable and non-rivalrous. This means that once provided, individuals cannot be excluded from using the good or service, and one person's use of the good does not diminish its availability for others. Examples of public goods include national defense, clean air, and street lighting. Because public goods are not efficiently provided by the market due to the free-rider problem, they are often provided by the government. **

If the goods are lost in transit, the responsibility typically lies with the seller or the party that arranged for the shipping. It is important for both parties to have clear terms and conditions regarding the responsibility for lost goods in their contract or agreement. In some cases, insurance may cover the loss of goods during transit, so it is advisable to have insurance to protect against such situations. Ultimately, it is important for both parties to communicate and work together to resolve the issue if goods are lost in transit. **

Complementary goods are products that are typically used together, such as peanut butter and jelly. When the price of one complementary good increases, the demand for the other complementary good may decrease. Substitute goods are products that can be used in place of each other, such as butter and margarine. When the price of one substitute good increases, the demand for the other substitute good may increase. Indifferent goods are products that consumers see as interchangeable and are indifferent between the two, such as two different brands of bottled water. **

Portable speakers typically cover a wide range of frequencies, usually from around 20 Hz to 20 kHz. This range allows them to reproduce a variety of sounds, from deep bass tones to high-pitched treble notes. However, the quality and accuracy of the sound reproduction can vary depending on the size and design of the speaker. Some portable speakers may emphasize certain frequencies over others, so it's important to consider the speaker's frequency response when choosing one for your needs. **

No, the Sonos One is not portable. It is designed to be a stationary speaker that can be placed in a fixed location within a home or office. It requires a power source and does not have a built-in battery for portability. However, it can be easily moved from room to room within a home as long as there is a power outlet available. **