<span>Steel that is strong but cheap could be used for bridges and skyscrapers because for something needed to be so dependable,it would of had to go through extensive quality control. And the steel producer would have to prove it can hold up and explain why it's cheap.</span>
To produce energy for the body
In your question that ask on which of the following observation led Darwin to start thinking about evolution. I think that the answer is A. The animals on the Galapagos Islands were recognizable as similar to their counterparts in other regions of the world, but had range of noticeable differences from those counterparts. Many animals also had small variations form island to island
Answer:
The 200kg
Explanation:
Because 400kg is more weight and the 200kg would be much easier to push
I can’t read most of them, I don’t know if it’s just my device but it’s a bit blurry