Which sources do scientists use to study ancient climates? check all that apply. earth’s orbit tree rings volcanoes pollen grains fossils

The earth's polarity has switched many times through history as evidence by what wh the earth clorets he has switched many times throughout history as evidence by what

In terms of alternation of generations, the internal parts of the pollen grains of seed-producing plants are most similar to a ) moss sporophyteb) moss gametophyte bearing both male and female gametangiac) fern sporophyted) fern gametophyte bearing only antheridia

Why reason best illustrates why hershey and chase chose to use viruses in their experiment?