- Increased levels of carbon dioxide in the atmosphere in the past century is causing (1 Point)
acid rain
ozone depletion
global warming
smog

Aperson walks first at a constant speed of 4.89 m/s along a straight line from point a to point b and then back along the line from b to a at a constant speed of 2.95 m/s. what is the average speed over the entire trip?

Which situation will produce the greatest change of momentum

Examine the drawing of a molecule. each ring represents an atom of nitrogen (n). what’s the chemical formula of this substance?