Answer:

<em>Light of wavelength 550 nm is least effective at promoting photosynthesis.</em>
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<em>-</em><em>-</em><em>></em><em> </em><em><u>L</u></em><u><em>ight</em><em> intensity</em></u><em><u>:</u></em><em><u>-</u></em>
<em>Without enough light, a plant cannot photosynthesise very quickly - even if there is plenty of water and carbon dioxide and a suitable temperature. Increasing the light intensity increases the rate of photosynthesis, until some other factor - a limiting factor - becomes in short supply.</em>
An Arms-Build up would lead to peace due quite frankly, to fear. It would lead to peace, just like for example, North Korea. No one is allowed to have weaponry, meaning fear. No one attempts to revolt, due to fear. Having a militia, would enforce fear, causing no revolts, or riots, or anything of the sort.
Freedom is restricted
no competition is offered
black markets would explode
export problems
unbalanced amount of goods
society needs might be ignored
innovative developments might be hindered <span />