The element "Oxygen".
The atmosphere WAS a bubble of gases surrounding our planet - past tense, wasThe atmosphere is a bubble of gases surrounding our planet. - Present tense, isThe atmosphere will be a bubble of gases surrounding our planet. - Future tense, will be
Weather, as compared to climate which is over time. = wrong answer. The present state of the atmosphere is that its temperature grew higher compared to the past few years.
B) the character
In a since, yes. It contained carbon like it does today. However, the particles per million (ppm) is a much higher concentration than it has veer been in the past.
past: I was; you were; he/she/it was present: I am; you are; he/she/it is
If the moon "had" or had had in the past an atmosphere, its gravitational force (about one sixth that of earths) would not have been strong enough for it to stop the gases dissipating into space.
Have is present tense. The past tense is had.
There is a past, present, and future. There was a past; there is a present and there will be a future.
what is present past
Present - am. Past - was and were.
Past - was Present - is Future - will be
past: I did, you did, he/she/it did; present: I do, you do, he/she/it/does