Me with these check up biology questions 1. definite genetic variation 2. identify the two sources of genetic variation. 3. what event in the process of sexual reproduction to cause variation? 4. explain why genetic variation is important. 5. explain bacterial resistance, and how it happens. (this is dead seriously due tomorrow) (so it has to be answered by 6: 30)

9.4.34  question   to estimate the height of a stone  figure, an observer holds a small square up to her eyes and walks backward from the figure. she stops when the bottom of the figure aligns with the bottom edge of the  square, and when the top of the figure aligns with the top edge of the square. her eye level is 1.811.81 m from the ground. she is 3.703.70 m from the figure. what is the height of the figure to the nearest hundredth of a  meter?