The primary source of stem thickening in plants is the vascular cambium. It is a plant tissue located between the phloem and the xylem and in the root of a vascular plant. It is the source of secondary growth or the radial growth of the stem of a plant.
Answer:
The oxygen in inhaled air passes across the thin lining of the air sacs and into the blood vessels. This is known as diffusion. The oxygen in the blood is then carried around the body in the bloodstream, reaching every cell. When oxygen passes into the bloodstream, carbon dioxide leaves it.
Explanation:
Annual range is the difference of the mean temperature between the hottest and the coldest month.
<span>Cullowhee, NC,
Hottest month:
July - Ave. High: 85 </span>°F ; Ave. Low - 62 °F . Mean = (85+62)/2 = 73.5 °F<span>
Coldest month:
January - Ave. High: 48 </span>°F ; Ave. Low - 24 °F. Mean = (48+24)/2 = 36 °F
Annual Temperature range = 73.5 - 36 = 37.5 °F
<span>
Albuquerque, NM, - </span><span>largest annual temperature range
</span><span>Hottest Month:
July: Ave High: 90 </span>°F ; Ave. Low: 66 °F; Mean = (90 + 66) / 2 = 78 °F<span>
Coldest Month:
December: Ave High: 46 </span>°F ; Ave. Low 26 °F ; Mean = (46 + 26)/2 = 36 °F
Annual Temperature range = 78 - 36 = 42 °F
<span>
Los Angeles, CA - lowest annual temperature range</span>
Hottest Month:
August: Ave High: 79 °F ; Ave. Low: 62 °F ; Mean = (79 + 62) / 2 = 70.5 °F
Coldest Month:
December-March: Ave High: 67 °F ; Ave. Low: 51 °F ; Mean = (67 + 51) / 2= 59 °F
Annual Temperature range = 70.5 - 59 = 11.5 °F