Independent variable: Temperature
Levels: Room temperature
Freezing point 0C
Boiling point 100C
Dependent variable: breaking point of rubber bands measured in certain amount of temperature
Stomata is present at epidermis of the leaves lenticels are present at bark
Answer:
It should be 2- Bonds
Explanation:
Energy, potential energy, is stored in the covalent bonds holding atoms together in the form of molecules.
:)
Answer:
round worms reproduce sexually
the nervous system of a roundworm contains a brain and nerve cords
