Birds
Birds are organisms which utilize a one-way air flow through their lungs to maximize air flow efficiency and <span>oxygen consumption
</span>The process of respiration is essential in the oxygen/carbon dioxide cycle. Respiration removes OXYGEN <span>from the atmosphere and produces and releases </span>CARBON DIOXIDE to the atmosphere.answer is letter D.
<span>Respiration driven by a mechanical series called inhalation and exhalation. We inhale or breathe in oxygen and exhale or breathe out carbon dioxide. </span>
Answer:
I think its c Scientists cannot determine how it changes.
d). It increases over time.
Answer:
the genetic code is universal.
Explanation:
I have multiple answers to this question:
1. to make (an idea, statement, etc.) clear or intelligible; to free from ambiguity. 2. to remove solid matter from (a liquid); to make into a clear or pellucid liquid. 3. to free (the mind, intelligence, etc.) from confusion; revive
Answer:
<h2>nuclear envelope is made is known as nuclear membrane it is covered by two lipids by layer</h2><h3><em>So</em><em> </em><em>answe</em><em>r</em><em> </em><em>is</em><em> </em><em>2</em></h3>