A scientist conducted an experiment to test the hypothesis that maple seeds exposed to acid rain will take longer to germinate than seeds exposed to normal rain, which has a pH of 5.6. The scientist setup four groups, each containing 200 maple seeds. The water used for each group had a different pH value: 5.6, 4.0, 3.0, and 2.0. All other conditions were kept the same. After ten days, the number of seeds that had germinated in each group was counted. - Identify the dependent variable in this experiment. *

Explanation below

Explanation:

Generally, the dependent variables are the things that are being tested in an experiment.

In this case, the question is incomplete because the data showing the number of the germinated seeds are not given.

But, it should be noted that, the dependent variable in the experiment performed or carried out on the maple seeds are the number of the germinated seeds.

option a is correct i.e.

explanation:

in context to the membrane of nerve impulse, the outer membrane of neuron is semi permeable that is only sodium ions can pass through the membrane i.e. smaller ions can pass through the membrane while larger ions cannot pass through it.

its temperature is increasing. this causes molecular vibrations to increase.