What's the greenhouse effect?

a. the regulation of atmospheric and surface temperatures

b. human-caused global warming

c. the trapping of warm air in cities

d. the release of extra moisture from water vapor

dont just guess

Why the moon is not visible from earth during the new moon ?

The incident command system (ics) is: a. most applicable to the management of complex incidents that extend over many hours or days. b. a military system used in domestic incidents to ensure command and control of federal resources. c. a standardized management tool for meeting the demands of small or large emergency or nonemergency situations. d. a relatively new approach created based on the lessons learned from hurricane harvey disaster operations.

Which outcome is not caused by gravitational forcea. gas and dust come together to form a planet b. planets orbit a star c. two atoms come together to form a molecule d. stars cluster to form a galaxy