What can cause a decrease in calcium absorption is; High Levels of Sodium
<h3>What causes poor calcium absorption?</h3>
Calcium absorption varies by type of food. The absorption of calcium from dairy products and fortified foods is about 30%.
Some compounds in plants like oxalic acid and phytic acid can decrease calcium absorption by forming indigestible salts with calcium, thereby decreasing its absorption.
Now, we can conclude that calcium absorption is decreased by high levels of sodium because excessive salt can interfere with calcium absorption.
Read more about Calcium Absorption at; brainly.com/question/461228
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<span>c) Ed and Ethel take reservations, clean rooms, and make breakfast, while Mark delegates these tasks to several hotel workers.
As a director of a large organization, Mark will largely delegate his management tasks to other employees. As small business owners, Ed and Ethel will be involved in daily operations of their business.</span>
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