Do only living things contain dna

What type of specimens where you able to see under each of the microscopes in the microscope activity

Up to what percentage of the world's flora consisted of cycads during the triassic period? 100% 75% 50% 20%

You want to cultivate some exotic plants at your farm. however, the climate is chillier than the temperature range favorable to the crop. which is the best method to use for the cultivation of this exotic crop? a. use a crop rotation method b. use a lot of fertilizer c. prepare the seed bed properly d. use a greenhouse e. use irrigation