The kilowatt hour, or kilowatt-hour, is a unit of energy equal to 1000 watt hours or 3.6 mega-joules For constant power, energy in watt hours is the product of power in watts and time in hours. The kilowatt hour is most commonly known as a billing unit for energy delivered to consumers by electric utilities.

Correct Option: A

The kilowatt hour, or kilowatt-hour, is a unit of energy equal to 1000 watt hours or 3.6 mega-joules For constant power, energy in watt hours is the product of power in watts and time in hours. The kilowatt hour is most commonly known as a billing unit for energy delivered to consumers by electric utilities.

If C is the temperature in Celsius and F is the
temperature in Fahrenheit then,

Correct Option: B

If C is the temperature in Celsius and F is the
temperature in Fahrenheit then,

The avian respiratory system delivers oxygen from the air to the tissues and also removes carbon dioxide. In addition, the respiratory system plays an important role in thermoregulation (maintaining normal body temperature). The avian respiratory system is different from that of other vertebrates, with birds having relatively small lungs plus nine air sacs that play an important role in respiration (but are not directly involved in the exchange of gases).

Correct Option: C

The avian respiratory system delivers oxygen from the air to the tissues and also removes carbon dioxide. In addition, the respiratory system plays an important role in thermoregulation (maintaining normal body temperature). The avian respiratory system is different from that of other vertebrates, with birds having relatively small lungs plus nine air sacs that play an important role in respiration (but are not directly involved in the exchange of gases).

Water boils at a lower temperature on top of a mountain because there is less air pressure on the molecules. Water boils when the vapor pressure of water exceeds atmospheric pressure. Because the boiling temperature is lower at high elevations foods that are cooked by boiling take a little longer to cook at high elevation.

Correct Option: C

Water boils at a lower temperature on top of a mountain because there is less air pressure on the molecules. Water boils when the vapor pressure of water exceeds atmospheric pressure. Because the boiling temperature is lower at high elevations foods that are cooked by boiling take a little longer to cook at high elevation.

Tear gas is a compound. Each molecule of tear gas contains one atom of chlorine. The compound 2chlorobenzalmalononitrile, a cyanocarbon, is the defining component of a “tear gas” commonly referred to as CS gas, which is used as a riot control agent.

Correct Option: B

Tear gas is a compound. Each molecule of tear gas contains one atom of chlorine. The compound 2chlorobenzalmalononitrile, a cyanocarbon, is the defining component of a “tear gas” commonly referred to as CS gas, which is used as a riot control agent.