Which feature of the microscope did anton van leeuwenhoek add that enabled him to magnify organisms about 250 times?

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

What is the surface temperature of the ocean where hurricanes form? greater than 80 celsius approximately 27 celsius at least 76 celsius less than 10.5 celsius

The cretaceous period spanned the time interval between and 65 million years ago. 250 million 144 million 75 million 200 million