If you use more than one independent variable at a time, and will observe a change, you will not know which variable contributed to a changed result.
Thermal energy causes matter to change state beacuse evrything has heat which is thermal energy hore heat is more thermal energy.
Ex.Ice changes into water
Ex.Water changes into water vapor
Answer:
The first two answer choices
Explanation:
Hibernating and migrating both use energy, while drinking water and photosynthesizing to generate glucose for a plant is a way that an organism can obtain energy. Hope this helps!
White blood cells ( lymphocytes is correct though)
I'd say the answer to this one is B, skunks and toads have a predator-prey relationship. Good Luck!