Write any four positive impacts of science and technology on human health​

Which plan groups foods according to types and indicates how much of each type should be eaten daily for a healthy diet? a. mypyramid plan b. food guide pyramid plan c. dietary guidelines for americans d. dietary pyramid guidelines

We can be sure that a mole of table sugar and a mole of vitamin c are equal in their

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