PLS HELP! important test!

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

The is an estimate of the fewest number of organisms a population needs to avoid extinction. this measurement will most if the number of offspring each female in the population produces increases. if the population's this measurement will most likely increase. 1 population density, minimum viable population, carrying capacity 2 decrease, be unaffected, increase 3 death rate increase, dead rate decrease

How do all types of diffusion/passive transport actually ‘work’ without using even the smallest amount of cellular energy?