I think is is A. welding torches
Answer:
d
Explanation:
the moon because moon is following the earth
Answer:
This process is called cellular respiration. During cellular respiration the cell uses oxygen to break down sugar. Breaking down sugar produces the energy your body needs. ... Carbon dioxide is the waste product of cellular respiration that you breathe out each time you breathe.
Explanation:
You are actually giving 5 points. Ps I just got five points for telling you that
Answer:
Wheel and axles
Explanation:
Clocks run on a complex system of gear trains. This provides the energy to turn the hands of the clock. A high-ratio gear train gears the weight drum way up so that you don't have to rewind the clock very often. This somehow disengages, slips or ratchets the gear train so the clock can be rewound and set.