Find the effects or the answer
Answer:
The atmosphere is a closed system
Explanation:
Because inside the atmosphere open system
Answer:
My Guess Is C if im wrong sorry
Explanation:
Just thinking logicaly
Answer:
True. You can get vitamin A as "preformed vitamin A" which is already active and/or you can get vitamin A as carotenoids which the body can turn into active vitamin A.
Explanation:
There are two different types of vitamin A that can be obtained from food:
1. Preformed vitamin A, which is already active, is found in animal products such as beef, fish, poultry and dairy products.
2. Provitamin A, which is the inactive form, is found in plant-based foods, such as fruits and vegetables. The most common type of provitamin A is β-carotene, which is a carotenoid that the body can turn into active vitamin A via an enzyme named β-carotene 15,15'-monooxygenase.
Your answer would be <em><u>D. refrigerator coils keeping the refrigerator cold</u></em>
