Answer: Oxygen
Explanation: There's no explanation to go with the answer, sorry.
One of the main things between living things and non living matter is that we contain carbon! That’s actually one of the good things about organic chemistry- structures based off of carbon bonds! Another super helpful tip is to remember the most abundant elements in living things- Carbon, Hydrogen, Nitrogen, Phosphorus and Sulfur. CHNOPS.
According to the usda food guide, someone who needs 2000 kcal/day should consume 3 cup(s) of milk or the equivalent in milk products each day.
<h3>What is the USDA food intake pattern?</h3>
The USDA Food Patterns were created to assist people in following Dietary Guidelines recommendations. They recommend daily amounts of nutrient-dense foods from five major food groups and their subgroups. The patterns also allow for oils and set a maximum number of calories available for other uses, such as added sugars, solid fats, added refined starches, or alcohol. The USDA has developed three Food Patterns to allow for flexibility in meeting Dietary Guidelines recommendations: the Healthy U.S.-Style Pattern, the Healthy Vegetarian Pattern, and the Healthy Mediterranean-Style Pattern.
The documents below show the recommended amounts and limits in the three USDA Food Patterns at 12 calorie levels ranging from 1,000 to 3,200 calories.
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The correct answer to this question is this one: b.negative feedback. An animal's body works to maintain its body temperature at a constant level, even when the surrounding tempera. The feed back that shows in this situation is called the negative feedback.