Define Compare pure substances to mixture
Differentiate between homogeneou
What:
What particles make up an atom?
Draw a picture of an atom:what must be true for any Ender thermic reaction

4- c, because all matter stays the same no matter what. it is still there. 5- b, because matter is known as mass. 6-c because, flammability is a chemical property. malleability is changing the shape of an object.

Perimeter? wheres the answers

Conservation efforts have been effective in "increasing the number of endangered species, reducing all the negative impacts of human activity, and preserving wildlife habitats".hope my answer has you : ) 

The answer is accuracy