Which of the following statements is true? 1. nitrogen is important for plant life, but not for animal life. 2 .oxygen is the most abundant gas in the atmosphere. 3. iron is an important element in chlorophyll. 4. carbon readily forms bonds because it only has four electrons in its outermost shell.

it would be the percentage of food eaten by the flock

i remember doing this lab

identify the dna change shown in the diagram and explain how that change can result in the increased genetic diversity often seen among siblings.identify the dna change shown in the diagram and explain how that change can result in the increased genetic diversity often seen among siblings.v