It would be B I believe that is what i put on the quiz. I hope I helped
Answer: Abiotic factor for polar: Ice
Abiotic for desert: Sand
Biotic for polar: Polar bears
Biotic for desert: Cacti
The types of factors are different because there are different set conditions for each ecosystem. A cactus is built for it's hot, dry ecosystem. If it were to move to a polar ecosystem it would not survive there. Same for the polar bear. It's built for polar regions. It has white fur to blend with the white ice to help it blend in and it's adapted to swim to get it's food source.
Explanation:
The ears are involved in balance, but it's more than just them.
Your eyes are also important, as well as your body's sense of where it is in space.
The answer is the first one: “...attract each other.”
you can put a needle through it and it won't break.
