If an atom has 7 valence electrons, how many electrons does it need to gain to achieve a stable electron configuration? electrons

Identify the four spears involved in the carbon cycle

How was sending hot air balloons to space start

Explain why viroids can only infect and damage plant cells, but not animal cells. explain why viroids can only infect and damage plant cells, but not animal cells. plant cells contain a rna polymerase that can copy rna can animal cells do not.

How does your baby's eating, sleeping and motor development compare to the typical developmental patterns?

How are extrusive rocks formed? Magma gets trapped inside Earth and cools to rock Volcanoes apply force to solid rocks and eject them. Magma gets forced to Earth's surface and cools to rock Volcanoes trap lava inside Earth, where it cools to rock

Is evolution real? Religions say it isn't.

A population of Eastern Cottontail rabbits lives in a particular ecosystem. This population's major predator is the coyote and its major food source is vegetation.

1. Which number in a chemical formula tells you how many atoms of element you have? O A. Coefficient O B. Chemical symbol O c. Subscript O D. Capitals

Which statement best describes the cycling of carbon between the atmosphere and geosphere? A Precipitation and condensation increasing the groundwater supply B Glaciers melting due to an increase in global climate temperatures C Volcanic activity

What did George Buffon contribute to evolution