Answer:
c ammonium hydroxide nh4oh has higher ph value and its a base
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I would think that b would be the right answer
92.
For all elements, the amount of electrons will always equal the amount of protons. The only time this will change is when it has a charge, for instance, 92 or Uranium, typically has no net charge. If we used the example of Oxygen however, it has a net charge of 2-, meaning that the amount of electrons would increase by 2 to bring Oxygen to stability.
For net charges, the signs mean opposing things: - means gains while + means loses.
Hope this helps!
Answer: Wheel and axle
Explanation:
Wheel and axle is the best answer. Technically that's not the primary part that steers a vehicle though. A pulley is in the engine and I've never heard of wedge and first class lever. The question isn't too clear, but yea, I would pick ii if I was in your spot.