ACT Success - Science - Practice #2

Group 1

Source 1.1

• 3 dB/km

• 6 dB/km

• 9 dB/km

• 12 dB/km

• 10%

• 20%

• 30%

• 40%

• Less than 5 dB/km

• Between 5 and 10 dB/km

• Between 10 and 15 dB/km

• More than 15 dB/km

• 200 Hz

• 500 Hz

• 1,000 Hz

• All frequencies show similar variation

Group 2

• Scientist 1

• Scientist 2

• Scientist 3

• None of the scientists

• Increases the likelihood of wildfires

• Has no effect on wildfire occurrence

• Reduces the likelihood of wildfires

• Is not mentioned as a factor

• Positive lightning strikes are less significant in causing wildfires

• The chemistry of vegetation does not affect wildfire risks

• Long-lasting lightning strikes increase wildfire risks

• Dry thunderstorms decrease wildfire risks

• Scientist 1

• Scientist 2

• Scientist 3

• Both Scientist 1 and Scientist 3

• Scientist 1

• Scientist 2

• Scientist 3

• Both Scientist 2 and Scientist 3

• Scientist 1

• Scientist 2

• Scientist 3

• Both Scientist 1 and Scientist 2

• Fish are unable to survive in salinities greater than 3%.

• Fish respiration is directly proportional to salinity in all conditions.

• Salinity levels above 3% create stress for fish, causing a decline in respiration rate.

• Fish have an optimal salinity range, beyond which respiration decreases due to osmoregulatory stress.

• Dissolved oxygen levels are unaffected by changes in water temperature.

• Dissolved oxygen levels decrease linearly as water temperature increases.

• Higher water temperatures reduce dissolved oxygen because warmer water holds less gas.

• Higher temperatures lead to an increase in dissolved oxygen due to enhanced molecular movement.