Which of the following is proper uphill running form?

A. Lengthen your stride

B. Push harder off the back foot

C. Decrease your knee lift

D. Decrease your arm swing

Which of these is likely to be the best source of valid health information?

If you know answer will mark brainliest

Aresearcher lyses a cell that contains nucleic acid molecules and capsomeres of tobacco mosaic virus (tmv). the cell contents are left in a covered test tube overnight. the next day this mixture is sprayed on tobacco plants. we expect that the plants would ) develop some but not all of the symptoms of the tmv infectionb) develop the typical symptoms of tmv infectionc) not show any disease symptomsd) become infected, but the sap from these plants would be unable to infect other plants