Answer:
Planet Y
Explanation:
Planet Y has the smaller period because it takes less time to orbit the star. This is because it has less distance to travel compared to X.
The brain and spinal cord are both structures of the central nervous system.
Answer:
27%
Explanation:
Guaine always pairs with cytosine
In graphite, carbon atoms are arranged in layers. Graphite has cleavage because the weak bonds between the layers break easily. Add a description wheel for fracture in your notebook.
Answer: Mantles
Explanation: Mantles convection currents causes plate movement