Answer:
Argon
Explanation:
The element that has a complete valence electron shell is argon (Ar) since it is a noble gas in the last group on the periodic table. destinymitchell966
Answer:
A biome is described as an area of the planet, which is classified on the basis of plants and animals living in that area. Soil, amount of light, temperature, and water are some of the important factors that determine what type of life exists in a biome.
The temperature, vegetation, and precipitation are the important characteristics of the biome.
Examples of biomes include tundra, desert etc.
Answer:
Overreacts to an antigen.
Explanation:
Thats what an allergy is if you think about it
A Respiration by animals CO2 is being added.
B trees burning same
C tree leaves removed
D oil added
Answer:
divide the number of births by population
Explanation: