<u>Answer:</u>
The Answer is <em><u>Option D. </u></em>
<em>Exchange of respiratory gases, oxygen and carbon dioxide take place in the alveoli of the lungs. Oxygen which is inhaled from the atmosphere diffuses through the walls of the alveoli and reaches to the adjacent capillaries into the red blood cells.</em>
<em />
From: https://answers.yahoo.com/question/index?qid=20111123203903AA4eLha
1. Less trash to landfill. More recycled items = savings to production costs of new items
<span>such as aluminum, glass, cardboard. </span>
<span>2. Most insects have particular predators such as a specific animal or bird that eats them as a major or sole portion of their diet. </span>
<span>3. Do not plant 100% of the same plants and trees across the area. </span>
<span>Do not harvest all of a species during a normal growth cycle. If a tree takes 50 years to grow to harvest size, schedule cuttings to avoid extinction of that tree within the area.</span>
The statement is
"True".<span>
<span>Source control program are aimed to reduce the cultivation of
opium, coca, marijuana, poppies etc and their eradication along with other
measures. The idea is that when there will be fewer crops available for the
drug production, the price will increase and potentially less people will have
access to drugs. </span></span>
1. interphase -(B)cell grows and
duplicate.
2. Mitosis- .(A) DNA separate forming two new nuclei.
3. Cytokinesis- (C) Two new cells separate.
Answer:
The last one: dinosaur footprints preserved in mud turned to rock
Fossils have to be physical remains of an animal.
Hope this helps!