Since 1750, the amount of carbon dioxide in our atmosphere has increased by almost Select one: а. 30% b. 20% c. 50% × d. 10% O e. 40%

You dispense Drug G cream for storage at RT 25 degrees C for 6 months. The patient stores it correctly for 1 month and then inadvertently leaves it in his car for 3 days during summer. The average outside temperature is 40 degrees C. If he calls the pharmacy to ask how long he can still use it (in months) ? a. 5 months b. 0.5 months c 4.5 months C d. 4 months

4. In which medium will a sound wave move more quickly? sc.7.P.10.3 A air В ethanol C rock vacuum

These data were collected experiments on laboratory populations. Experiments such as these where we collect data are called Frequency of Adh 0.8 1.0 0.6 0.4- 0.2 0 10 20 30 Generation 40 ☐ Ethanol Ethanol Control Control 50

Burning fossil fuels results in the emission of ________________ into the atmosphere. a. CO2 b. O2 c. none of the above d. ozone

There is a manufacturing plant that emits 10 tonnes of carbon annually. If this manufacturer were to reduce their annual carbon emissions by 1 tonne it would cost (marginal cost) them $5 dollars, by 2 tonnes it would cost them $10, by 3 tonnes it would cost them $15 and 4 tonnes would cost them $20. If there is a carbon tax of $10 per tonne of carbon, how much would the manufacturer likely reduce their carbon emissions by?   a. 1 tonne   b. 2 tonnes   c. 3 tonnes   d. 4 tonnes