Answer: True
Explosions due to electricity occurs due the passage of electrical current into air, this results in the transfer of energy from electricity to air. Electrical energy being a stimuli activates the molecules of air which leads to explosion. An explosion is a rapid event which involves release of energy in the form of gases and also destruction of surrounding entities. For explosion suitable fuel and combustion gases are required. Methane and natural gases acts as fuels whereas oxygen which facilitates combustion of these fuels.
Explanation:
Environmental Scientists can use GPS tagging, aerial monitoring (from a plane), RFID tags (radio frequency identification device), and/or hidden cameras to track and monitor polar bears.
According to ChaCha.com, "Parthenogenesis is a form of agamogenesis in which an unfertilized egg develops into a new individual. Parthenogenesis occurs naturally in many plants and invertebrates. This differs from other forms of asexual reproduction because an egg is used."
Answer:
B) They allow a region's location to be determined exactly.
Explanation:
Both lines were invented by people to identify and locate specific places on earth. Latitude is used to identify particular north-south locations, and longitude is used to identify a particular east-west. The combination of latitude and longitude allows you to define and label any location on Earth accurately.
