Answer:
B or D
Explanation:
think of it how you use chalk on a chalk board, its less friction using chalk instead lets say a marker on a white board.
Most dwarf planets are located In the asteroid belt between Jupiter and Mars. Others are found out<span> in the outer solar system.</span>
Answer:
Sustainability means meeting our own needs without compromising the ability of future generations to meet their own needs. In addition to natural resources, we also need social and economic resources. Sustainability is not just environmental- ism.
Explanation:
Antibodies.........................................................................
