1.

why isn't a comet a planet?

it does not orbit a star.

it has an irregular shape.

2.

true or false: pluto isn't officially a planet.

true

false

3.

a planet's spherical shape is a result of

gravity

its orbit

An atom of nitrogen had seven protons in its nucleus. how many electrons does it have

State officials are considering constructing a road through a forested wilderness area. this action will likely affect the forest ecosystem in various ways. part a: predict how the construction of a road could negatively affect plants and animals in that ecosystem. (3 points) part b: describe one way that the construction of a road could have a positive impact of the forest ecosystem. (1 point)

The double bond between a carbon atom and two oxygen atoms (a molecule of carbon dioxide) has two characteristics. what are they? a. an ionic bond is formed between the oxygen and carbon atoms. b. four valence electrons are shared. c. two valence electrons are shared. d. valence electrons are shared between oxygen atoms.