Answer:
A
Explanation:
Grass, wood and leather can be brocken down
I think its C. hormones act on muscles and glands only. Because hormones act on cells, tissues, organs etc. So this is incorrect and the rest of them are correct.
Answer:
Molecules are attracted to each other, but not ordered: liquid water
ater vapor
Molecules are not stuck together: water vapor
Liquid water Molecules are joined in an ordered structure: ice
Explanation:
A mold was developing in some of the culture dishes used by Sir Alexander Fleming and was eliminating some of the bacterial population. The hypothesis is that the mold was generating a chemical, which was toxic to the bacteria in the dishes and killed them.
The hypothesis was examined by separating the Penicillium and administering it into the solution of nutrient broth. After the growth of Penicillium it was withdrawn from the broth. The broth was then eventually supplemented to the bacteria and the bacteria died. Thus, it can be concluded that the hypothesis is supported.
Your answer will be "Trial and Error" hope this helps
