Question

The Smiths have become increasingly alarmed by the changes occurring in their koi pond. The most recent concern is the reduction in the number of eggs. Which of the following statements is a plausible reason that would lead to a decrease in the number of eggs the koi are producing?

The farmer's market down the street has changed suppliers, and the produce is contaminated.
The farm next door practices flood irrigation, and runoff contaminated the koi pond.
The koi are unable to spawn because their reproductive system is impaired from pesticides the Smiths use to prevent termites.

Answer 1

Which of the following trends related to fossil fuel use will most likely happen in the future? The developed world will increase its use of fossil fuels. In terms of emissions from power plant sources, natural gas is the cleanest fossil fuel. Organisms higher on the food chain are likely to have a greater concentration of toxic substances. Prolonged cloudy weather, drought conditions, overcrowded fish populations, excessive algal or other plant growths, and high water temperatures are the most common factors that combine to cause fish kills.

Step-by-step explanation: