I believe the correct answer is D. Because object A on the pH scale reads pH=3. Which means it is more acidic in nature and thus possess a greater hydrogen or hydronium ion concentration than object B, which has a higher value on the pH scale. Object B would thus have a lower hydronium ion concentration than Object A.
The semi will have the hardest time changing direction because of its mass. The more mass there is, the more effort it takes to accelerate and decelerate as well as change direction.
Answer:
Sunlight is a mechanical energy
Answer: 4. A solution in which methyl orange is red
Explanation:
The others solutions are in their basic form while methyl orange is in it’s acidic form when red.
