Answer:
how ever fast the wind is
Explanation:
Answer:
interleukin-2 (IL-2) is an interleukin, a type of cytokine signaling molecule in the immune system. It is a 15.5–16 kDa protein[5] that regulates the activities of white blood cells (leukocytes, often lymphocytes) that are responsible for immunity. IL-2 is part of the body's natural response to microbial infection, and in discriminating between foreign ("non-self") and "self". IL-2 mediates its effects by binding to IL-2 receptors, which are expressed by lymphocytes. The major sources of IL-2 are activated CD4+ T cells and activated CD8+ T cells
Explanation:
Can you please define you question?
<span>The tracheae possibly have evolved directly from the book lungs</span>
Answer:
B) Heat energy
Explanation:
Sunlight is heating the air and also heating the copper tubes in order to function the solar energy system. It's using the heat of the sun to power the panels.
