Answer:
The correct answer to the question is Biofuel
Explanation:
Biofuel can be used as an alternative energy technology source to power a car.
The importance of using biofuel is that it causes less air pollution than fossil fuels, and it has less effect on the global warming. Most importantly, it is produced from agricultural sources.
The biofuels that can be used are butanol,ethanol and biodiesel etc.
Wind, geothermal and hydropower can not be directly used to provide power to the car.
Hence, the correct answer to the question is that biofuel which can be used as an alternating technology to provide power to car.
Answer:
I think its B: Sliding filament mechanism
Explanation:
Answer:
Burrowing.
Explanation:
Tortoises can dig into the earth and build burrows with their sturdy paws and long legs, which shield them from predators as well as hot and cold temperature conditions.
Answer:
The function of the appendix is unknown. One theory is that the appendix acts as a storehouse for good bacteria, “rebooting” the digestive system after diarrheal illnesses. Other experts believe the appendix is just a useless remnant from our evolutionary past.
When the circular muscles contract, the earthworm stretches, becoming longer and thinner. The earthworm uses its setae to anchor the front of its body in the soil. Now the longitudinal muscles contract and the earthworm becomes shorter and wider or it bends from one side to the other, pulling the body forward.