Which one of the following is the bacterial disease? a) measlesby leprosyc) diabetesd) scurvey

Why was the sample heated in step 5? describe the chemical principles involved in the reasoning behind this step?

Draw a simple labelled diagram if a collenchyma tissue

Scientists discovered fossils in several layers of the earth you see here. they found fossils of algae, snails, and clams in layer d. given that information, where do you think they found fossil evidence of simple land plants and amphibians? a. a b. e c. f d. g