<span>Its components are visible. --heterogenous
It may be mistaken for a pure substance. --homogenous
It can be separated using distillation. --homogenous
Concrete is an example of this kind of mixture. --heterogenous
Hope this helps!</span>
What are white blood cells protect against pathogens and aid in blood clotting when injuries are sustained.
Answer: No
Explanation:
No, because environmental problems arise for different reasons. For example, if Zebras started dying off for different reasons, there would be no clear answer as to what to do.