For each one what kinds of observations could you record on calendar

For the moon you could record, when It would become a full moon (Place as date on calendar) For the birds, you could do it as when the birds, grow up, or how long it takes for them to. Lastly, for the storm, you could record how many days it lasted.

Just what I would put.

Explanation:

Brainliest maybe?

Ufff! You have a very vary fan of options.

Explanation: On a calendar you can perform a lunar phases diary. There are even some calendars that has a prediction of this.

One day I had the experience of buying a weekly schedule of birds sightning. Depending of the weather and some other scales like grade of humidity, the tryptich drops a species of bird that you can find on your surroundings. You can do something like that on a calendar, a bir sightning.

With the lightning storm example, you can count how many times a lightning strucks down on a rainy day.

i think that it is letter d.