Question and answer
Mammals first appeared during the _______ era. A. Paleozoic B. Mesozoic C. Cenozoic D. Phanerozoic
Mammals first appeared during the Mesozoic era.
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Expert answered|MrG|Points 39575|
Question|Asked by gabetheamazing
Asked 12/28/2017 11:09:31 PM
Updated 12/29/2017 12:16:41 AM
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This answer has been confirmed as correct and helpful.
Edited by Masamune [12/29/2017 12:16:40 AM], Confirmed by Masamune [12/29/2017 12:16:41 AM]
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Questions asked by gabetheamazing
A child care facility in a fitness center can operate without a license because A. the fitness center is a private business. B. the fitness staff is qualified for child care. C. the parent is present at the fitness center. D. exercise facilities for the children are available at the fitness center.
Question
Updated 6/11/2019 5:59:54 AM
1 Answer/Comment
A child care facility in a fitness center can operate without a license because the parent is present at the fitness center.
Added 6/11/2019 5:59:54 AM
This answer has been confirmed as correct and helpful.
The primary goal of the National Association for the Education of Young Children is to A. license child care centers. B. develop a quality curriculum for day care centers. C. check the credentials of day care staff. D. improve the quality of life for young children and their families.
Weegy: The primary goal of the National Association for the Education of Young Children is to: improve the quality of life for young children and their families. User: Which of the following is not one of the specific criteria for renewing a CDA credential? A. Documented proof of working with children for at least 80 hours within the past year B. Documented proof of past employment at a child care facility C. Documented proof of a current Red Cross or other agency Pediatric First Aid Certificate D. Documented proof of current membership in a national or local early childhood professional organization (More)
Question|Asked by gabetheamazing
Not Answered
Updated 7/4/2019 3:24:19 PM
1 Answer/Comment
Documented proof of past employment at a child care facility. - is not one of the specific criteria for renewing a CDA credential.
Added 7/4/2019 3:24:19 PM
This answer has been confirmed as correct and helpful.
What, in most states, is the minimum required amount of formal education for a center director? A. A GED certificate B. A few college credits C. Two years of specific college course work D. High school diploma
Question|Asked by gabetheamazing
Not Answered
Updated 12/27/2017 5:58:37 AM
1 Answer/Comment
In most states, the minimum required amount of formal education for a center director is High school diploma.

Added 12/27/2017 5:58:37 AM
This answer has been confirmed as correct and helpful.
An official authorization or approval from a professional organization of society that indicates that a person has met certain performance standards is called A. accreditation. B. licensing. C. peer approval. D. validation.
Question|Asked by gabetheamazing
Not Answered
Updated 12/27/2017 5:57:52 AM
1 Answer/Comment
An official authorization or approval from a professional organization of society that indicates that a person has met certain performance standards is called accreditation.

Added 12/27/2017 5:57:52 AM
This answer has been confirmed as correct and helpful.
If a system requires 150 J of input work and produces 123 J of output work, what's its efficiency? A. 82% B. 92% C. 72% D. 122%
Weegy: If a system requires 150 J of input work and produces 123 J of output work 82% is its efficiency. User: Calculate the percent error if the experimental value of the density of copper is 21.2 g/cm3 and the accepted value is 22.1 g/cm3. A. 4.19% B. 4.25% C. 4.07% D. 4.02% (More)
Question|Asked by gabetheamazing
Updated 215 days ago|12/27/2020 8:43:13 PM
1 Answer/Comment
The percent error is approximately 4.07% if the experimental value of the density of copper is 21.2 g/cm3 and the accepted value is 22.1 g/cm3.

Solution: 22.1 g/cm³ - 21.2 g/cm³ which is equal to 0.9 g/cm³; (0.9 g/cm³ / 22.1 g/cm³) x 100% = 4.07%.
Added 215 days ago|12/27/2020 8:43:13 PM
This answer has been confirmed as correct and helpful.
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