Question

Marcy uses pH strips to measure the pH of water samples from several ponds in the city park. Which reason explains why using a pH meter would improve the accuracy of her data?
The pH meter gives a digital readout.

The pH meter uses numbers instead of colors.

The pH meter can distinguish between smaller differences in pH than pH strips can.

The pH strips are more expensive to use.
which ones are correct

Answer 1

the correct ANSWER IS

C: The pH meter can distinguish between smaller differences in pH than pH strips can.

I just did this lol

Answer 2

First question:

As the pH meter gives a specific level of acidity instead of a physical change, it is more accurate in numbers making it easier to distinguish smaller differences in pH.

2nd question:

The pH meter gives a digital readout.

The pH meter uses numbers instead of colors.

The pH meter can distinguish between smaller differences in pH than pH strips can.

The one not mentioned above isn't true ^