The answers are satellites, weather balloons, and automated weather stations these are all correct because I just finished the test and checked.
It is not what you thing it is but the answer is true
Try using your on opinion and see what you can come up with and good luck
<span>The pancreas secretes digestive enzymes in the slender instincts, these enzymes produce endocrine secretions through the hormones and pass through the blood. Endocrine cells called pancreatic islets secrete insulin and glucagon and have endocrine functions that are formed through the hormones and pass through the bloodstream.</span>
