What waste product (s) is are released by hydrogen fuel cell vehicles? a. Carbon dioxide and water vapor
b. Carbon dioxide only.
c. Water vapor only

Other than earth, is also known to have magnetic pole reversal? a: venus b: mars c: earths moon d: the sun

How do the sperm cells get from the stigma to the ovules?

Which group of protists would be most likely to have cilia as adults and why? (1 point)the sporozoan protists would since they have to spread their spores around.the heterotrophic protists would since they use them to gather food.the parasitic protists would since they need to find other organisms to attack.the autotrophic protists would since they must move to find light.