Hello there, fellow human being!
The answer is D. unicellular.
Hope this helped!
~Ruru
C organ rjrjrrjrjrjfjffjhdddhdhdhdehrhfhcbddbdhdhchchchrrb
It helps get rid of carbon dioxide.
Took me a while to understand any of this XD
An area that was covered by a glacier
Primary succession is a method of bringing about fertility in infertile land that can not be cultivated. This method usually involves plant species known as "pioneer species", that do not rely heavily on soil nutrients but add nutrients to the soil. The land under the glacier is likely to be void of nutrients and infertile, so primary succession will be needed there the most.
Both are organs ur body cant live without thats why when ppl shoot they aim for the heart and/or brain they are vital organs