I think it’s water not positive tho
Wind, because the others can be completely used up at some point whereas wind will theoretically always be blowing
A gene is <u>Co</u><u>d</u><u>e for a trait, </u><u>are</u><u> </u><u>small</u><u> </u><u>sections</u><u> </u><u>with</u><u> </u><u>DNA</u><u> </u><u>strand</u><u>,</u><u> </u><u>Are</u><u> </u><u>blueprints</u><u> </u><u>for</u><u> </u><u>proteins</u><u>.</u>
- <em>Therefore</em><em>,</em><em> </em><em>Option</em><em> </em><em>D</em><em>.</em><em> </em><em>All</em><em> </em><em>of</em><em> </em><em>the</em><em> </em><em>above</em><em> </em><em>is</em><em> </em><em>correct</em><em>!</em><em>!</em><em>~</em>
After the macrophage fails the Helper T Cell stimulates the B cells if pathogen is extracellular and Cytotoxic T Cells if the pathogen is intracellular. Once the pathogen is killed the B Cells create Memory B Cells and the Killer T Cells create memory T Cells.