First of all, you dont have the answers.
But the answer is "Companies replaced hand-operated brakes with air brakes on trains" is the best answer because this stopped many of the fatalities that were caused by brake failures." which is I say on what you are using D
Answer:
A scenario could be that climate change kills many people with frostbite, heatstroke, or freezing to death. One way we can end this is by using less gas in cars, stoves, etc. We can also plant more trees, plants, and anything that has to do with nature.
Explanation:
Sorry if this answer isn't good I'm only in 6th grade so I tried my best.
Hope this helps!
Answer:
https://www.energy.gov/articles/history-light-bulb
Explanation:
Soul,nitrogen, potassium and phosphorus ...Hopefully it helps
Columbus <span>was an Italian explorer, navigator, colonizer, and citizen of the Republic of Genoa
Columbus in Chinese is </span><span>Gēlúnbù</span>
