in the poem birches, what do the bent birches prompt the speaker to imagine?

ice storms
a boy's been swinging on them
people cutting them down
the harshness of nature

The bent birches prompt the speaker to imagine a boy swinging on them.

the main greenhouse gas is?

The main greenhouse gas is carbon dioxide (CO2).

als why would people imagine a boy swinging on them?

In the context of the poem "Birches" by Robert Frost, people might imagine a boy swinging on the bent birches because the speaker describes the bending of the trees as being the result of "boys' swinging" and suggests that they have been bent by a combination of natural forces like ice storms and the activity of young individuals. This image of a boy swinging on the birches may evoke a sense of nostalgia, freedom, playfulness, and a longing for simpler times and carefree moments of youth. The imagined boy swinging on the birches also symbolizes the fleeting nature of innocence and childhood joy.

in "an inconvenient truth", a graph of atmospheric co2 shows a regular decrease in the amount of gas once a year. what time of year does this happen?

In "An Inconvenient Truth," the graph of atmospheric CO2 levels, as shown by Al Gore, does not demonstrate a regular decrease in the amount of gas once a year. Instead, the graph typically exhibits a gradual increase over time, indicating the rising levels of carbon dioxide in the atmosphere. The increase in CO2 concentrations is primarily attributed to human activities, such as the burning of fossil fuels.