Answer:
While slavery was the major issue separating the North and South, it was not slavery itself that sparked the conflict. The South wanted to secede from the Union, and the North refused. While President Abraham Lincoln personally opposed slavery, he recognized that it was legal under the U.S. Constitution at the time. He also recognized that few in the North were ready to go to war to free the slaves. For Lincoln and the northern majority, preservation of the Union was the foremost goal.
Fire is important because it cooked food, provided light and provided heat
<span>Photosynthesis is the process through which living organisms convert environmental carbon dioxide and water into glucose. The glucose is a sugar essential element that fuels life processes.</span><span>
Region's photosynthetic productivity is influenced by the the availability of nutrients and the amount of solar radiation, or sunlight.
</span><span>Nutrients as iron, magnesium and sulfur decrease photosynthesis rates., while nitrogen and phosphorus can prevent a plant from metabolizing glucose.</span>