Answer:
1) blue
2) red
3) red
4) blue
Explanation:
organs need red blood and they get rid of blue blood. the lungs are what changes blue to red, so the lungs take in blue and expels red blood.
Answer:
The brain and the spinal cord are wrapped in three protective layers of tissue called the meninges. The cerebral spinal fluid goes between these layers to provide more cushion and protection. It nourishes and protects the nerve tissues of the brain and spinal cord. It also acts as a shock absorber, considering humans move a lot and fall.
I think its bamboo lemurs and bamboo rats that also eat bamboo exclusivly i hope that helps ^^;<span />
they have a high ration of surface area to volume and therefore readily lost heart
We could explain the consequences of not recycling, composting, and conserving in different campains. We could also make it a requirement to learn in science class so children become aware of it and change it for the better later on.