Sorry i cant tell what you mean but here is my answer for your question i think its right if not just tell me i will give you a new one :)
Alkaline earth metals make up the second group<span> of the periodic table. This family includes the </span>elements<span> beryllium, magnesium, calcium, strontium, barium, and radium (Be, Mg, Ca, Sr, Ba, and Ra, respectively). </span>Group 2 elements<span> share </span>common <span>characteristics. Each metal is naturally occurring and quite reactive.
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this is not my answer if you want me to reword it just tell me ok:)
It is important to maintain septic systems in order to <span>prevent untreated sewage from contaminating groundwater</span>
Answer:
140.85 is the correct answer
Answer:
efficiency = 5.4%
Explanation:
Efficiency of heat engine is given as
now we will have
so we will have
now we know that
so we have
so efficiency is 5.4%
