PLEASE HELP The spine is part of which system?
A. Circulatory System
B. Central Nervous System
C. Endocrine System

The most important difference between a wedge and an inclined plane is a. their size b. their shape c. how they are used d. what they are made of

Describe different biomes. what are some adaptations that organisms (plants or animals) must have to live in each biome?

Asap time is ! best answer gets compose at least one well-developed paragraph on the following: define the term concurrent powers, and give an example of a concurrent power of government.