Which element increases its oxidation number in this reaction? 3KOH + H3PO4 → K3PO4 + 3H2O A. oxygen B. No element increases its oxidation number. C. hydrogen D. potassium

Flourine is found to undergo 10% radioactivity decay in 366 minutes determine its halflife

Which of the following two events occur to create a sea breeze? select all that apply. warm air rises on the ocean and moves toward the land to cool warm air rises on land and moves toward the ocean to cool cool air moves from the ocean to be warmed by the land cool air moves from the land to be warmed by the ocean

Harry lives in a city, and he has a lung condition known as asthma. on certain days, harry has to stay inside because pollutants in the air make it difficult for him to breathe. which of these pollution sources are nonpoint sources that might bother harry if he goes outside? choose the two that apply.