Afarmer plants corn in nutrient rich soil. the corn plants absorb nutrients from the soil in order to grow and perform life processes. after the corn plants mature, the farmer harvests the corn and sells it for human consumption. he continues to plant and harvest corn for many years without adding fertilizer. how will the continuous planting and harvesting of corn most likely affect the soil in which it is grown? a. the soil will become more fertile. b. the soil will begin producing its own fertilizer. c. the soil will change into igneous rock. d. the soil will become less fertile.

Tara sees a commercial for a brand of pills that promise to boost energy and people perform better in work and school. as people in the commercial talk about how much better they feel when taking the pill, tara notices a message on the bottom of the screen that reads, "this pill is not approved by doctors and has not been tested in controlled experiments." what is the best conclusion that tara should make about the commercial? it is making scientific claims based on subjective observations. it is making scientific claims based on opinions instead of pseudoscientific facts. it is making pseudoscientific claims based on objective observations. it is making pseudoscientific claims based on opinions instead of scientific facts.

Describe the response the kidneys have to dehydration and excessive water intake. what happens to the concentration of urine in each case ?

Which of the following is the most likely outcome of global warming