Chemical reactions can be identified when there is a change in color, energy is produced, change in odor, or if new substance forms.
Answer:
they need to do their research
Answer:
light energy is a form of electromagnetic radiations of a wavelength, which can be seen by the human eye.
Answer:
To answer this question we need the illustration
Explanation:
You have left the question incomplete since we do not have the illustration making this impossible to answer
Depends on the species, but ...
1) hind limbs tend to be sturdier, longer, stronger.
2) the hind limbs are more firmly attached to the spine (via the pelvis) than are the forelimbs.