1. why are some kids good inventors? 2. what kinds of inventions or improvements on inventions do you have ideas for?

During the winter, this species of fox has white fur, but in the summer, it has brown fur. what environmental change may have lead to this fox's fur color? snow cover increase in sun's brightness volcanic eruption global warming

During convection, less dense fluid rises and denser fluid sinks.

Which anatomical plane is the only one that could not show both the sternal region and vertebral region