It is not necessary to wear a lifejacket on a boat as long as there is one available. Please select the best answer from the choices provided.
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The us government wants to allocate billions of dollars in the next 10 years to assure our future energy security. the funds will be spread among a variety of possible energy resources. where do you think the government should put the greatest support: solar energy, wind energy, clean coal, oil exploration, gas exploration, or a combination of sources? are there other efforts that should be explored? support your position with cited information for both questions.

Which is not true about oxygen-17 and oxygen-18?

Give an example in which the electrical energy changes to light energy