1. 243, 729, 2187 the first one looks like 3 is being multiplied each time.
2. 32,16, 8 each number is divided by 2 to get the next number.
_Hydrogen_ ...............is the answer.
Answer:
Reproductive System
All the body systems have one role or the other to play in digestion and absorption. Even the excretory system removes waste and toxins from the body, leaving the useful materials.
However, the reproductive system is not actively involved in digestion.
Answer: The Golgi apparatus
Explanation: The Golgi apparatus modifies, sorts, and packages different substances for secretion out of the cell, or for use within the cell.