Junipers, hemlocks, and cedars belong to which group of gymnosperms? conifers
gnetophytes
ginkgoes
cycads

Select the correct answer from each drop-down menu. during the day, plants produce by splitting water molecules in the light-dependent reactions of photosynthesis. at the same time, plants use cellular respiration to produce some of the needed by the light-independent reactions to make sugars. during the night, plants produce because takes place.

Explain the source of radioactivity in uranium in earth’s crust by which it produces nuclear radiation

During an experiment, readings for blood pressure in a persons body were found to be constant . however , when he measured by a different blood pressure cuff , the readings differed by 15 points for each reading. this difference indicates that the results are