Human exploitation of fragile ecosystems can lead to the droughts and arid conditions characteristic of desertification. Effects include land degradation, soil erosion and sterility, and a loss of biodiversity, with huge economic costs for nations where deserts are growing.
Explanation:
Karyotyping is <u>a test to examine chromosomes in a sample of cells</u>. This test can help identify genetic problems as the cause of a disorder or disease.

<span>The question says,'which statement accurately describe the function of a hormone produced by the adrenal glands? The correct option is C. Cortisol produced by the adrnal gland is called the stress hormone because it coordinates many change that occur in the body in response to stress. This include control of heart rate and blood pressure.</span><span />
Answer:
b
Explanation:
other answers are incorrect because none of then except b makes sense