ASAP!!! What is the purpose of a heavy stream appliance?

provides breathable air from attached air tanks

focuses the fluid flow into a heavier stream

moves or removes smoke and gases from buildings and passageways

removes citizens from burning or hazardous structures

Which of the following is a homogenous mixture? o a. a toy box filled with toys o b. blood o c. trail mix o d. spaghetti and meatballs submit

Atoaster oven has a resistive heating element. the average rate at which it dissipates energy as thermal energy is 1.00 \(\rm kw\). in the united states, emf amplitude in household circuits is \(\mathcal e_{\max}\) = 170 \({\rm \; v}\) and the \(\rm ac\) oscillation rate is 60 \(\rm hz\). part a what is the root-mean-square current through the heating element?

Which statements did both aristotle and ptolemy assume? check all that apply.