Why is Lilia regretful

According to your text, early childhood educators should plan and implement the health component of their programs to respond to the a. need to find cures for communicable diseases. b. convenience of parents. c. predictable developmental patterns of young children. d. necessities of providing low-cost care.

Which of the following is also referred to as "swayback"? a. kyphosis b. scoliosis c. lordosis d. none of the above

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