Answer: C is the right answer because the wind can cool off
metals (left side of periodic table) become positive ions so calcium would be the answer
The things that birds have attached to their bodies called their wings, a left one and a right one, cause them to have the ability to fly.
Answer:
Well , I think the answer is B
This represents a closed system,and one benifit is that the risk of passing disease between other species is lower than in open system
But still I prefer you to check it out in your book
