Answer:
B convection MERRY CHRISTMAS
Explanation:
Power (watts) = work done (joules) ÷ time (seconds)
power (watts) = 1000J ÷ 20s
power (watts) = 50w
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Temp
first number is <span>205−72=133
</span>second number is <span>195−72=123
</span>This takes 10 minutes to occur, so you can model this as:<span><span>133<span><span>(<span>123133</span>) </span><span>t(10)</span></span></span></span>
1. Record the barometric pressure.<span> </span>2. Measure about 10 g of ice using the chemical balance and place it into a 100 mL beaker.<span> </span>