Answer:
He can infer that beriberi may be related to diet, but more and better studies are needed
Explanation:
<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>
I believe the answer is C. E. And F.
Answer:
Pine trees produce seeds in cones
Explanation:
