The balls move randomly.
Because gas molecules are known for their movement and the above statement says “to model the movement”
Archaebacteria and eubacteria. Eubacteria are more common on earth while the archeabacteria are not despite their existence in harsh environment they have been found in human digestive system in the gut
I just finished to test, and I chose choice A, which is correct.
(1.) Sunlight provides plants with energy needed to make sugars during photo photosynthesis