Inactive forms of vitamins that the physique can convert into lively usable forms. Also referred to as vitamin precursors.
<h3>What are energetic varieties of vitamins?</h3>
Infections and fevers make bigger the requirement for vitamin A. Three extraordinary types of vitamin A are lively in the body: retinol, retinal, and retinoic acid. These are known as retinoids. The cells of the physique can convert retinol and retinal to the other lively varieties of diet A as needed.
<h3>What's A precursor vitamin?</h3>
The time period "precursor" is applied to an inactive substance transformed to an energetic one (such as an enzyme, vitamin, or hormone). The time period "precursor" applies to any chemical that is modified into another.
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<u>Answer:
</u>
With the advent of condensed and evaporated milk in the late 1800s, the percent of mothers that breastfed their babies had come down to 20-30% by 1940.
<u>Explanation:
</u>
- Though it was deemed crucial to breastfeed the babies during their infant years, majority mothers chose to feed their babies with condensed and evaporated milk owing to various rumors that had disseminated in society.
- These rumors were regarding the sagging of breasts and also about the possibility of breast cancer due to breastfeeding.
- The availability of evaporated and condensed milk just proved to be of convenience for the mothers who did not want to feed their own milk to their babies.
Answer: Variable-ratio
Explanation:
Variable ratio schedule is defined as reinforcement schedule in which a response is reinforced after uncertain or sudden number of responses.It has the ability to generate high rate of response system with unpredictable factor. Example of variable ration schedule can be gambling game etc.
According to the question,Steve is reinforced into variable ratio schedule as chances of getting reward is uncertain because reward is given for assignment after number of assignment passes without any reward by instructor.
The correct answer is letter B.
Explanation: For Robert Merton, anomie is a state of aimlessness and loss of identity. A theory of anomie embedded in the so-called functionalist theories, which considers a society as an organic whole.
Roman government is the answer
