Is muscle movement that does not require oxygen and only burns carbohydrates to produce energy

Josie decided to redecorate her son’s room. he is a toddler now and needs a bed instead of a crib. she packed up all of his infant toys and decided to donate them to his day care center. included in the box was a rattle that he had been quite attached to. he always pulled the small knob off the end of the rattle and josie would frequently reattach it. she thought that the knob was dangerous but nothing bad ever happened. some other kid might like to play with it now. 1. should josie have been concerned about the knob when her son first started removing it? why or why not? (2-3 sentences) 2. if she had reported the knob to the consumer product safety commission, what could the agency have done? (2-3 sentences) 3. if josie gives the box of toys to the day care center, what should the center director do? (2-3 sentences) 4. provide an appropriate substitute toy for her son at the age of infancy to replace the rattle. what does this toy promote for developmental wellbeing? you can include a picture or direct weblink to the toy, but do not forget your answer to the question regarding what does it promote for developmental wellbeing. (4-5 sentences) answer

According to naeyc, are the youngest age group that may be out of the hearing range of supervising teachers for short periods of time. preschoolers infants kindergarteners toddlers

You isolate an infectious substance capable of causing disease in plants, but you do not know whether the infectious agent is a bacterium, virus, viroid, or prion. you have four methods at your disposal to analyze the substance and determine the nature of the infectious agent.i. treat the substance with enzymes that destroy all nucleic acids and then determine whether the substance is still infectious.ii. microscope.iii. culture the substance on nutritive medium, away from any plant cells.iv. treat the sample with proteases that digest all proteins and then determining whether the substance is still infectious.if you already know that the infectious agent was either bacterial or viral, which method(s) listed above would allow you to distinguish between these two possibilities? a) ib) iic) ii or iiid) iv