Which part of the brain contains the client's "central switchboard" of the central nervous system?

Hedgerows have created a new ecosystem within britain’s a. farms b. cities c. forests d. industrial areas

When fossil fuels are burned, carbon dioxide is released. how does this gas impact the environment?

Abird flies by moving its wings up and down. which two systems are most directly responsible for the movement of a bird's wings? a. skeletal and muscular systems b. respiratory and muscular systems c. skeletal and digestive systems d. respiratory and digestive systems